Features:OOTDTY Large opening is leak-proof and easy to fill. Works on aches, pains, sports injuries, and chess-match injuries. Soft bag shapes itself around injured area for good . It's also for help ease pain and other discomfort, remove tiredness,and reduce swelling etc. Great for heat therapy of sore tens muscle. Cold chest or whenever you want to feel warm and cozy. Note:1, Don`t add in boiling water, 80-90 ℃ water is suitable2, Not more than 2/3 water 3, Make sure the closed completely after putting in water4, Keep away from infants and children5, Do not put into the microwave,and not close to the fire source; 6, All hot water bottles can be used AS ice bag7, in order to protect you from burning, recommended to put a cover around the water bagSpecifications:Style: Sent at random (if you buy more than one product,the color and style may be different or the same)Color:As the picture showsMaterial:PVC+:PPCapacity: 450mlSize: 21x14.5cm/85.71x5.71"Quantity: 1PcNote:1.Transition: 1cm=10mm=0.39inch2. Please allow 0-3cm error due to manual measurement. pls make sure you do not mind before you bid.3.Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you! Package includes: (Without retail package)1Pc x Water Bottle Bag