[product size] blue section 15*10*3CM weight 158G pink section 15.5*9.5*3.2CM weight 180G [product material] food grade silicone [product color] blue, pink (according to the customer-specified Pantone color number) [product packaging] with PVC white box + plush bag / 1 package (can be customized according to customer requirements) [Features] It can be placed in a hot water bottle heated by a microwave oven. It can be used for heating under 80 °C. Keep cold: 0 °C can be used for cold heat dissipation, anti-leakage, explosion-proof, safe, environmentally friendly, can be recycled, 80% cold water can be heated, microwave oven can be heated quickly for 3 minutes. Just inside! Fine workmanship, plush coat, waiting for you silently!