Key benefits Extra warmth and comfort: Acts as an added insulating layer inside your sleeping bag or as a standalone sleeping bag in warm weather. Improves sleep comfort without bulky gear. Clean and protective: Shields your main sleeping bag from dirt, stains, and sweat, helping extend its usable life. portable: Lightweight and compact for easy packing and carrying on camping, hiking, or travel trips. Versatile use: Unzip to create a doublelayer blanket or picnic rug for shared use or daytime lounging. Features and performance Doublesided zipper for easy entry and exit; provides convenient access and simple conversion between sleeping bag and blanket modes. Soft, cozy feel that supports comfortable rest whether used alone or inside another sleeping bag. Designed for travel: functions as a travel sheet or extra layer for unpredictable temperatures. Durable, multipurpose design for repeated outdoor and indoor use. Practical use scenarios Camping: Use inside your main sleeping bag for extra warmth on cool nights, or unzip and spread out as a picnic rug during the day. Travel and hostels: Carry as a lightweight travel sheet to add a clean layer on unfamiliar beds in dorms, hotels, or hostels. Backpacking and hiking: Pack a compact liner that reduces weight and bulk while still offering warmth and protection when you need it. Why customers choose this liner Solves common problems: adds warmth without a heavier sleeping bag, protects gear from sweat and dirt, and converts quickly between sleeping and lounging modes. Simple, reliable design: no complex attachments or adjustments—just a practical liner with a userfriendly zipper and portable form factor. Broad suitability: fits many indoor and outdoor sleeping situations and complements existing sleeping gear without replacing it.