Newwiee 2 Pcs Heated Sleeping Bag Pad 5V USB Power Support Sleeping Bag 78 x 24 Liner Heater Heating Sleeping Pad with Portable Bag for Camping Backpacking Hiking, Power Bank not Included (Gray)Features: Non slip design on the back: The back of this heated sleeping pad for camping is coated with non slip glue to ensure an ideal fit inside the slee..