Features: The multipurpose design of the deluxe water-bottle kit can help relieve many forms of pain. Pour hot water in the wide opening, put the stopper in a place, and place the bottle on muscles strains, sore backs, or any other type of ache. The bottle, which has a ribbed exterior to help maintain water temperature. Classic Hot Water Bottle Holds hot or cold water Wide opening for easy filling Ribbed surface maintains temperature Plastic Plug Prevents Leaks Made from soft rubber with ribbed Texture & design Great for heat therapy of sore tens muscle Cold chest or whenever you want to feel warm and cozy. Works on aches, pains, sports injuries, and chess-match injuries Conversion: 1 mm = 0.0394 inch, 1 inch=2.54mm Pictures:Due to the difference between different monitors, the picture may not reflect the actual color of the item. We guarantee the style is the same as shown in the pictures, but not the same performance on different bodies as on the model. Thank you and happy purchase! Note:Dry clean only, do not bleach, do not machine wash, warm water washing, dry naturally, away from fire, avoid high temperature burning, do not use sharp cutting