Description
- About this item
- Cotton,Flannel [Extra Heating Supplement]:The sleeping bag liner enable you warm up by special compound metal fiber heating element in seconds once connecting to power bank if you still feel cold inside existing sleeping bag. The goods can be used both in-house and outdoor. [Special Constructed Heating Element]: The heating elment is thin, light weight, flexible, durable, water resistant, power saving. Heating conversion efficiency rate from electricity to heat is 99% with zero emission of electromagnetic waves. Four heating areas are available at back, waist hip and Leg area. [Temperature Control]: Three temperature settings are optional through a single button so that you can select the confortable temperature you prefer to ensure better sleeping. The sleeping bag liner can last 4hours at high temperature(Red Light), 6 hours at middle temerature(Blue Light) and 12 hours at low temperature(Green Light) if you connect it to 10000mAh 5V 2.1A power bank. More capacity of power bank can last even longer. [Perfect Size]: The size and weight of our sleeping liner are 220x90cm and 950g which can be put into any existing sleeping bag. It is easy to pack, storage and carry for your trip. You don’t need to upgrade your current sleeping bag. [Dirty Free]: The fabric used is Polyester fiber and 100% Flannel which is soft, breathable and lightweight. The material is friendly to your skin. Both hand wash and machine wash are acceptable so that you can easily keep your sleeping bag cleaning inside without reducing the heat insulation grade of sleeping bag after sleeping bag washing.
Heated Sleeping Bag Liner,Travel and Camping Sheet, Pocket-Size, Lightweight, 100% Cotton Flannel Fabric, Special Metal Heating Plate with Maximum Power 9W, USB Interface