Color: gray Product overview A heated sleeping bag liner designed to add reliable, adjustable warmth for outdoor and indoor use. Lightweight and foldable, it works as a sleeping bag liner, tent insulation pad, sofa warmer, bed heating pad, shoulder wrap, sports mat, or car cushion. Fast heating technology and six independent heating zones deliver more even and targeted warmth where you need it. Key benefits Provides adjustable warmth so you can set a comfortable temperature for different conditions and activities. Six heating zones create even heat distribution and more precise coverage for different parts of the body. USB powered and foldable for easy use, storage, and travel. Durable polyester and cotton construction for repeated use and dependable performance. Versatile design replaces or supplements traditional insulation to extend comfort indoors or outdoors. Features Adjustable temperature control for comfort in tents, on sofas, or in sleeping bags. Six zonal heating layout for consistent, balanced warmth. Fast heating technology reduces warmup time to reach comfort quickly. Foldable design with included storage bag for compact transport. USB powered for compatibility with common USB power sources. Material: polyester and cotton construction for durability and comfort. Color: gray. Size: 198 cm length x 62 cm width (77.95 inch x 24.41 inch). Included in package 1 Heated Sleeping Bag Liner Storage bag for transport and compact storage Practical use scenarios Camping: Place the liner inside a sleeping bag or under a sleeping pad to add controlled warmth on cold nights while hiking or camping. Road trips and car use: Use the liner on a car seat or as a cushion for extra warmth during long drives or while parked. Home and travel: Lay the liner on a sofa, bed, or travel mat to warm a seating or sleeping area without heating an entire room. Additional notes Please allow 1 to 2 cm variation in measurements due to manual measurement. USB power source required but not included. Sold as one heated sleeping bag liner with storage bag.