Material: exterior: PVC+ plush cloth Interior: absorbent beads Color: Custom color Size: G: Packaging: color box /PVC box or OEM packaging /OPP bag /PVC bag, etc. Functions: help smooth mammary gland, assist milk secretion, relieve breast pain and relieve lactation discomfort Features: Recycled, non-toxic, natural, comfortable.Hot compress can help smooth the mammary gland tube, increase milk flow, and relieve the pain of milk swelling and blocking. Cold compresses can relieve breast pain and help maintain breast elasticity. There is a reasonable opening design in the middle of the chest patch, which can be used with breast pump Can also be applied to multiple parts, menstrual discomfort can be heated and placed in the abdomen to warm the uterus to relieve pain, sports injuries can be refrigerated and placed in the sprain for emergency treatment, swelling eyes can be heated and placed on both sides of the bridge of the nose to relieve eye fatigue. A variety of uses, easy to use, cold and hot for better care of the breast.