Thanks to its good thermal insulation effect and three-stage temperature conversion, this electric heating pad is essential heating equipment in winter. This heating pad is made of soft fabric, and is comfortable and wear-resistant, durable, which can be put in your jackets, vests and other clothes for warmth and heating. It is constructed of composite fiber material. There are two different sizes for you. It is widely used for warming shoulder, neck, waist, back, abdomen and cushion or pet bed. Item Name: Cloth Heater Pad Material: Composite Fiber Features: 3 Gears, Power Saving, Water Proof Specification: 2 Pieces of Heating Pads Into One Power Supply Mode: USB Charging Input Voltage: 5V 2A Adjustable Temperature: 45 to 65 Degrees Celsius Gear Setting: Red Light (High-Gear), Blue Light (Mid-Gear), Green Light (Low-Gear) Size Details: Small Size: 7cm x 1.6cm/2.76" x 0.63" (Approx.) Large Size: 20cm x 25cm/7.87" x 9.84" (Approx.) Notes: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Package Includes: 1 x Cloth Heater Pad