Use only plain water or ice on or in this product. The use of anything other than plain water or ice will damage the product. Do not crush ice in the bag or force fused cubes through mouth opening. Do not place heavy or sharp objects on top of bag. Do not expose bag to direct sunlight or heat. Discontinue use if product causes discomfort. This product is not a toy. Keep out of reach of children unless supervised by an adult.
Note: This product transfers cold so effectively that condensation may occur in a humid climate. Bag can be wrapped in a soft towel if condensation is not desired or to protect sensitive skin areas.