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Your Professional Sleeping Bag Liner Supplier！

 

Changzhou Reliable outdoor products Co., Ltd specializes in the development, production, and sale of outdoor products, particularly in sleeping bags, picnic mat, travel blanket, tents,, camping chairs.. Reliable outdoors has consistently provided reliable, stable, and competitive one-stop solutions to brand clients worldwide through its professional manufacturing capabilities, comprehensive supply chain system, and continuously evolving product solutions.

 

 
 

Why Choose Us

 

 

Integrated Supply Chain

We operate with a well-established supply chain that supports consistent product quality and reliable lead times. This helps buyers reduce sourcing risks and maintain stable inventory planning.

 

OEM/ODM

We offer practical customization options, including sizes, materials, colors, branding, and packaging. This allows buyers to develop products that align with their market positioning and brand identity.

 

Sales Market

Our products are supplied to clients in Europe, Oceania, and Asia, giving us a solid understanding of international standards, logistics, and communication expectations for global buyers.

 

 

Overview of Sleeping Bag Liner

 

 

A sleeping bag liner is a thin, removable sack that fits inside a sleeping bag to enhance warmth, improve hygiene, and extend the bag's lifespan. Acting like a bed sheet, it protects the bag from body oils, dirt, and sweat, reducing the need for frequent washing. Liners can also provide 5–15°F of extra warmth.

 

Product Specification

 

We offers the following produc specifications：

Item

Specification

Product Name

Sleeping Bag Liner Ultralight

Color

Green, Blue, Brown

Unfold Size

80 × 210 cm

Storage Size

Ø5 × 15 cm

Weight

128 g

Fabric

Matte Nylon (Low Elasticity)

 

Sleeping Bag Liner Fleece

 

Product advantages

Increased Hygiene and Cleanliness: Liners prevent sweat, dirt, and body oils from directly entering your bag, acting as a washable, protective barrier that keeps your primary bag cleaner for longer.

 

Enhanced Insulation (Warmth): Depending on the material (fleece, wool, or cotton), a liner can add significant, versatile warmth to your sleep system.

 

Easier Maintenance: Laundering a sleeping bag is difficult and can ruin insulation; a liner is easily removed and machine-washed.

 

Extends Gear Life: By reducing the need to wash the sleeping bag itself, the liner prevents wear and tear, prolonging the life of your expensive sleeping bag.

 

Temperature Regulation (Hot Weather Use): In tropical climates or summer camping, a liner can be used alone as a light sleeping sheet, offering comfort without the heat of a full sleeping bag.

 

Improved Comfort: Materials like silk, cotton, or brushed polyester feel better against the skin compared to synthetic bag interiors.

 

Versatile Travel Use: Ideal for hostels, planes, or trains to maintain hygiene against unfamiliar bedding.

 

Common types

 

Silk

Very lightweight (about 5 oz.) and compact. Silk helps insulate in cold weather but is absorbent and breathable in warm weather. Price: moderate to expensive.

01

Cotton

Strong, durable and absorbent, but not the lightest or most compact. Price: economical.

02

Fleece and microfleece

Warmer (adds up to 12°F) and heavier. Fleece is soft, moisture-wicking and quick-drying, but the mid- and heavyweight varieties are bulky. Price: moderate.

03

Synthetics (e.g., CoolMax®)

Moisture-wicking and breathable, which makes these ideal for humid conditions. They offer some stretch, too, which is nice for restless sleepers. Price: moderate.

04

Insulated (e.g., Thermolite®)

This adds up to a claimed 25°F of warmth, so you can greatly extend the range of a lightweight bag. It uses hollow-core fiber insulation which helps it dry 50% faster than cotton.

05

 

 

Size

Regular size sleeping bags
The regular size silk sleeping bag liners are 86.5 in / 220 cm long and 89 cm / 35 in wide. They weigh 4.2 oz / 120 g. These sleeping bag liners are perfect to use as a liner in a standard size sleeping bag or as a travel sheet/sleep sack for people wearing clothing size XS-L.

 

Extra Large Sleeping Bags
The extra large sleeping bag liners are 86.5 in / 220 cm long and 45 in /115 cm wide. They weigh 6.5 oz / 185 g. The extra large is recommended for people wearing clothing size XL-XXL or for anyone looking for extra room to stretch out.

Sleeping Bag Liner Ultralight

 

Other Services

 

Design Selection
The customer provides design references (images) or submits their own customized design.

 

Quantity & Specifications
The customer specifies the order quantity and detailed product requirements.

 

Quotation
We provide a price quote based on the order quantity. If the quantity is below our MOQ (Minimum Order Quantity), the quote will be based on the MOQ.

 

Price & Sample Confirmation
Upon customer approval of the price, we provide the sample cost and production timeline.

 

Sample Order & Payment
If the customer agrees, we issue a Proforma Invoice (PI) for the sample.
After payment, we proceed with sample production.

 

Sample Approval & Shipping
Once the sample is ready, we share photos for confirmation.
Upon approval, we arrange sample shipment.

 

Bulk Order Confirmation
After sample approval, we proceed with mass production and issue a signed & stamped PI or commercial invoice for the bulk order.

 

Deposit Payment & Production
The customer pays a deposit, and we begin bulk manufacturing.

 

Production Completion Inspection
Once production is finished, we provide photos/videos for customer review.

 

Balance Payment & Shipment
The customer settles the remaining balance, and we arrange shipment:
• FOB Terms: Goods delivered to Shanghai Port; onward logistics are the customer's responsibility.
• CNF/CIF Terms: Goods shipped to the customer's designated port; responsibilities transfer upon arrival.

 

 

Packaging & Delivery

 

Gross weight per batch

14.000 kg

Carton size

46X32X74 cm 16 pcs per carton

Lead Time

35-40 days

productcate-1-1

 

 

FAQ

 

 

Q: What is the primary function of a sleeping bag liner?

A: A sleeping bag liner serves as a protective inner layer that enhances hygiene, extends the lifespan of the sleeping bag, and can add thermal efficiency by retaining additional body heat.

Q: What materials are commonly used for sleeping bag liners?

A: Common materials include cotton, polyester, silk, fleece, and technical blends. Each offers different benefits in terms of weight, breathability, insulation, and moisture management.

Q: How much warmth can a sleeping bag liner add?

A: Depending on the material, a liner can add approximately 5°C to 15°C (9°F to 27°F) of warmth. Fleece and thermal liners provide the highest insulation, while silk and cotton offer lighter warmth.

Q: Are sleeping bag liners suitable for all seasons?

A: Yes, but the choice of material should match the season. Lightweight liners (e.g., silk or polyester) are ideal for summer, while fleece or thermal liners are better suited for cold-weather use.

Q: What are the key features buyers should look for?

A: Important features include fabric quality, weight, packability, durability, ease of cleaning, shape (rectangular or mummy), and additional elements like pillow pockets or side openings.

Q: How do sleeping bag liners improve hygiene?

A: Liners act as a barrier between the user and the sleeping bag, absorbing sweat and dirt. This reduces the frequency of washing the sleeping bag, which helps maintain its insulation performance.

Q: Are liners machine washable?

A: Most liners are machine washable, especially those made from cotton or polyester. However, silk liners typically require gentle cycles or hand washing to preserve fabric integrity.

Q: What is the difference between rectangular and mummy-shaped liners?

A: Rectangular liners offer more room and comfort, while mummy-shaped liners are designed to fit snugly inside mummy sleeping bags, maximizing thermal efficiency and minimizing excess fabric.

Q: How compact are sleeping bag liners for travel?

A: Most liners are highly compact and lightweight, often packing down to the size of a water bottle or smaller, making them ideal for backpacking and travel.

Q:Are you Original factory?

A: Yes, we are.

Q:What's your warranty policy?

A: We provide 6-12 Months warranty on all of our products, which means during the warranty period, we'll repair the defective items or other solutions if with quality problems.

Q:Why choose you?

A: We are a brand enterprise business specializing in hiking, camping and other outdoor products, providing low MOQ(MOQ>=10), inventory products can be delivered within 7-15days

Q:How Can I order?

A: You can send us inquiry
Click "Start Order" and pay directly!
(Input quantity, choose your country, then you can see total price, including the product price and freight)
Please do write your Name, Address, Zip code and Phone number for delivery!

Q: When could I get the quotation?

A: We usually quote within 24 hours after we get your inquiry. If you are very urgent to get the price, please call us or tell us in your email.

Q: How about the delivery cost and tax cost?

A: Delivery cost is depend on the way, destination and weight. And tax is depend on customer's local customs.
Delivery cost is depend on the way, destination and weight. And tax is depend on customer's local customs.

As one of the leading sleeping bag liner manufacturers in China, we warmly welcome you to buy high-end sleeping bag liner made in China here and get quotation from our factory. All customized outdoor products are with high quality and competitive price.

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