1、Lovely Detachable Cover: Anti scald design, detachable cover with premium plush, soft and comfortable to the touch, washable without losing color, lock the heat, not easy to lose. 2、Function: Our plush hot water bottle reduces shoulder and neck pain and helps relax stiff and sore muscles and joints. It can also be applied cold to reduce inflammation or pain after exercise. 3、Features: Large threaded stopper, high temperature and corrosion resistant, sealed without leaking, non slip texture, diagonal striped design, non slip and anti scald, PVC liner, slow heat dissipation, longer lasting warmth. 4、Safe And Easy To Use: Wide mouth design prevents you from scalding when filling the bottle and allows you to easily and quickly pour water into the hot bottle water bag safely without overflowing. Note: Please add two thirds of hot or cold water. 5、Applicability: Compact and portable, light weight, the water warmer bag is suitable for use at home, in dormitories and during travel. Item Type: Hot Water Bag Material: Velvet, PVC Capacity: 2000ml Use Time: Hand Warming 1-3 Hours, Bed Warming 2-6 Hours (Note: The Above Test Results Are In The Case Of Hot Water Bags High Temperature 90 ℃, There Will Be A Small Error In Different Temperature Environments) Product Size: Approx.32 x 21cm / 12.6 x 8.3in 1 x Hot Water Bag (Including Inner Liner)