SMOKO Fox Pillow Warmer - Plush Heated Pillow Carbon fiber nano-heating technology with Fire retardant fabric Material: Cozy Cotton and Polyester, imported Set your level of warmth to low or high Compatible with any USB 2.0 or 3.0 ports, Chargeable time 3-4 hours, last 4-6 hours. Dimensions: 13" x 15" x 3"