Features: Reusable hand warmer: This hand warmer is filled with Lavender and flax seeds, can be put in the refrigerator as a cold pack, or heated in the microwave as a hand warmer, reusable, and can accompany you for a long time. Ideal gift: This hand warmer is lightweight and easy to carry. It is useful in daily life, or given to friends or family colleagues. It is also a nice choice to express your thoughts through this small gift. Specifications: Material: Lavender, flax seeds, flannel Color: multiple colors Size: 1.57 x 1.57 inches/ 4 x 4 cm Package includes: 8 x Microwave hand warmers Notes: Manual measurement, please allow slight errors on size. The color may exist a slight difference due to different screen displays