1、[Durable Material] Made of high quality polyester material, which is durable, warm and comfortable, with enough space. 2、[USB Heating] This sleeping bag is internal heating, suitable for most mobile power sources, can be fully expanded and used as a blanket. 3、[Zipper Closure] The zipper at the bottom can be opened to prevent stuffiness and easy to move, to meet your various need. 4、[Size And Portable] Sleeping bag size is 185x80cm/ 72.8x31.5inch, suitable for all adults and teenagers. It comes with a storage bag, the storage bag size is 40x22cm/15.7x8.6inch, the sleeping bag is easy to roll up and portable. 5、[Widely Application] Suitable for various outdoor and indoor environments, such as camping, hiking, festivals or spending the night with friends. Item Type: Sleeping Bag Material: Polyester Storage Bag Color: Black Type: Ordinary Product Size: Approx. 185 x 80cm / 72.8 x 31.5in Storage Bag Size: Approx. 40 x 22cm/ 15.7 x 8.6inch Power: 10W Weight: Approx. 1100g-1120g / 38.8oz-39.5oz 1 x Sleeping Bag 2 x Thermal Conductive Sheet 1 x Storage Bag