Features: Reusable: Charcoal Hand Warmer is solid material, so it is reusable and can be used for many years. Easy to hold: Reusable Pocket Handy Warmer is small and light. This is portable for you and you can easily hold it. Soft: The velvet-covered cover of Solid Fuel Hand Warmer is soft and warm . Suitable for: Self-heating Handwarmer is suitable for all cold winter activities, also very suitable for witer. How to use: When the internal carbon rod is heated and placed it in Solid Fuel Pocket Handwarmer, heating and warm. Specifications: Material: Alloy + Fireproof Cotton Size:Approx.12x2x7cm/4.72x0.78x2.75inch Note: Please allow 1-2cm errors due to manual measurement,Please make sure that you do not mind before you order. Due to the difference between different monitors, the picture may not reflect the actual color of the item. Package includes: 1 x Hand Warmer 12 Pcs Carbon Rod Reusable: Charcoal Hand Warmer is solid material, so it is reusable and can be used for many years. Easy to hold: Reusable Pocket Handy Warmer is small and light. This is portable for you and you can easily hold it. Soft: The velvet-covered cover of Solid Fuel Hand Warmer is soft and warm . Suitable for: Self-heating Handwarmer is suitable for all cold winter activities, also very suitable for witer. How to use: When the internal carbon rod is heated and placed it in Solid Fuel Pocket Handwarmer, heating and warm.