Removable liner for easy cleaning The inner liner detaches quickly, so you can wash or air it separately. Keeps the sleeping bag hygienic and extends its usable life. Lightweight and portable with storage bag Comes with a compact storage pouch for clean, organized packing. Easy to carry by hand and designed to take up minimal space in luggage or a backpack. Ideal when space is limited: stores neatly at home, in a car, or in travel gear. Connectable (sewable) design for a double sleeping surface Two sleeping bags of the same model can be zipped together to form one large double sleeping bag. Simple zipper connection lets you convert single units into a shared option in seconds. Compatible only with the same model/series for secure fit and alignment. Hidden pocket for small valuables An invisible, integrated pocket stores small items like a phone, keys, or flashlight within reach while you sleep without adding bulk or catching on bedding. Why customers choose this sleeping bag Practical hygiene: removable liner makes cleaning straightforward and effective. Travel-friendly: lightweight and compressible with a storage pouch, saving space on trips. Flexible use: convert between single and double sleeping arrangements when needed. Secure storage: hidden pocket keeps essentials close and protected. Applications and scenarios Camping and backpacking: Pack light and keep the liner clean after muddy or damp nights. Travel and road trips: Fits easily in luggage or car storage and is simple to hand carry between stops. Family trips or festivals: Combine two bags into a double for couples or shareable sleeping space; keep small items safe in the hidden pocket. Sleepovers and guest use: Easy to store at home and quick to prepare for visitors. Key functional notes Removable liner, lightweight construction, storage pouch included. Two identical sleeping bags can be zipped together to form a double. Discreet internal pocket for small belongings. This product is designed to make cleaning, packing, and flexible sleeping arrangements simpler and more convenient without adding bulk or complexity.