With long-lasting heating feature, this donut hand warmer is convenient for you to long time used during cold winter days. This hand warmer is designed with cute and colorful donut shape, which is a perfect gift for girlfriends or kids in winter holiday. Made with ABS material, this hand warmer is durable for long time used. Both length and width of this product is 8.6cm. The style is random from pink or blue. It is suitable for winter as it can be used as a double-side heating hand warmer. Item Name: Donut Hand Warmer Material: ABS Features: Portable, USB Rechargeable, Safe Battery: Built-in Rechargeable Battery Battery Capacity: 2000mAh Size Details: Size: 8.6cm x 8.6cm/3.39" x 3.39" (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 Donut Hand Warmer 1 x Charging Cable