Features: brand new and high quality Safe to use: Made of iron powder, active carbon, non-toxic and safe. It can offer you long lasting warmth, provide heat continuously to the body. Easy and convenient: No charging, self heating, one-time use, simply open packaging and the heated patch will gradually heat on its own. Fast heating and long-lasting, good partner in winter. Noted: the body warm sticker can not be directly pasted on the skin, please stick it on the clothes. Suitable for: cold, female menstrual care and shoulder, back, body aches and pains relief, etc. Portable size: Each piece is about 9x10.5cm/3.54"x 4.13". Easy to carry in your pocket, purse, backpack, etc. Applications: Skiing, walking, winter tourism, field work, mountain campings, expeditions, fishing and other outdoor sports to provide warmth. Specifications: Material: Iron powder, Active Carbon, etc. Color: As Pictures Show Style: Penguin/Chicken Random Style Size (Approx.): 9x10.5cm/3.54x 4.13in Weight: Approx. 229g Package Includes: 10 Pieces Body Warm Stickers (Penguin/Chicken Random Style) note: 1.Please allow 0-1cm error due to manual measurement. please make sure you do not mind before you bid. 2.Due to difference between different monitors, the picture may not reflect the actual color of the item. Thanks!