Specification: Origin: Mainland China Material: Cotton Size: 230.00mm (9.06in) x 200.00mm (7.87in) x 100.00mm (3.94in) Gross weight: 200g Sock plug port: DC port. No Power Bank. Note: Cleaning Instructions 1. It can be washed by hand or by machine. The power interface should be insulated and waterproof before cleaning. 2. Machine wash must be placed in the laundry bag Because the strong winding force of the washing machine is greater than the tension of the wire, it may be broken. 3. Please do not wring it out by hand, because the internal heating wire is made of carbon fiber wire, unlike copper wire, which conducts electricity. 4. Make sure your socks are thoroughly sun-dried or dried. Note: Due to the different monitor and light effect, the actual color of the item might be slightly different from the color showed on the pictures. Thank you Please allow 1-2cm measuring deviation due to manual measurement. Specification: Origin: Mainland China Material: Cotton Size: 230.00mm (9.06in) x 200.00mm (7.87in) x 100.00mm (3.94in) Gross weight: 200g Sock plug port: DC port. No Power Bank. Note: Cleaning Instructions 1. It can be washed by hand or by machine. The power interface should be insulated and waterproof before cleaning. 2. Machine wash must be placed in the laundry bag Because the strong winding force of the washing machine is greater than the tension of the wire, it may be broken. 3. Please do not wring it out by hand, because the internal heating wire is made of carbon fiber wire, unlike copper wire, which conducts electricity. 4. Make sure your socks are thoroughly sun-dried or dried. Note: Due to the different monitor and light effect, the actual color of the item might be slightly different from the color showed on the pictures. Thank you Please allow 1-2cm measuring deviation due to manual measurement. Specification: Origin: Mainland China Material: Cotton Size: 230.00mm (9.06in) x 200.00mm (7.87in) x 100.00mm (3.94in) Gross weight: 200g Sock plug port: DC port. No Power Bank. Note: Cleaning Instructions 1. It can be washed by hand or by machine. The power interface should be insulated and waterproof before cleaning. 2. Machine wash must be placed in the laundry bag Because the strong winding force of the washing machine is greater than the tension of the wire, it may be broken. 3. Please do not wring it out by hand, because the internal heating wire is made of carbon fiber wire, unlike copper wire, which conducts electricity. 4. Make sure your socks are thoroughly sun-dried or dried. Note: Due to the different monitor and light effect, the actual color of the item might be slightly different from the color showed on the pictures. Thank you Please allow 1-2cm measuring deviation due to manual measurement. Specification: Origin: Mainland China Material: Cotton Size: 230.00mm (9.06in) x 200.00mm (7.87in) x 100.00mm (3.94in) Gross weight: 200g Sock plug port: DC port. No Power Bank. Note: Cleaning Instructions 1. It can be washed by hand or by machine. The power interface should be insulated and waterproof before cleaning. 2. Machine wash must be placed in the laundry bag Because the strong winding force of the washing machine is greater than the tension of the wire, it may be broken. 3.