1、1. Safe and leak-proof: The hot water bottle is made of high-quality PVC material, which is anti-aging, durable and has good sealing performance. The PVC material ensures maximum safety and perfect heat transfer. The screw cap helps prevent the bottle from leaking. 2、2. Plush waist cover: The warm water bag is equipped with a plush waist cover, with a super soft double-plug design, which can keep your hands and waist warm at the same time, and prevent the heat from directly contacting your skin and causing burns. You can adjust the length of the waist according to your needs. 3、3. Package included: The set includes 1 waist belt, 1 PVC bag, and 1 hot water bottle cover. It is an indispensable winter warming tool for you and your family. It is the best choice for gifting family, friends and colleagues. 4、4. Easy to use: The hot water bottle is equipped with a blow-proof plug, which allows safe and convenient water in and out to prevent water from spitting back. Our hot water bottle has a maximum capacity of 1000 ml, and it is recommended to fill it to 2/3 of the capacity. Please note: When filling, keep the mouth of the bottle upright and pour in slowly and carefully to prevent hot water from splashing back. 5、5. Keep warm: The hot water bottle can be used to warm hands, neck, waist, back, shoulders, legs, etc. It is very helpful to relieve muscle aches, backaches, menstrual cramps and other minor ailments, arthritis discomfort, etc. It can also be used as a cold compress or to reduce swelling in children with fever. Material: flannel+PVC Belt size: about 115*21cm Hot water bottle size: about 16.5*24cm Capacity: 1000ML Weight: about 350g Belt*1 Cloth cover*1 PVC bag*1