1---Small and light, easy to carry: Hat model: 131*116*57mm, capacity 320ml, weighing about 128g; Glove model: 133*95*57mm, capacity 300ml. This hot water bottle is lightweight and portable. It is very comfortable and convenient to hold on the hand or in the bag, with perfect size and fashionable shape.It can be kept warm outside for about 3 hours, and can be kept indoors or in bed for 3-5 hours.It can also be used by children, but it must be used under the supervision of an adult. 2---Reliable and Safe Material: our hot water bag is made of silicone, soft and wearable, tasteless and non toxic, without BPA, which is dust proof, reusable and washable, and its cover is made of wool, friendly to your skin, providing you with a reassuring use experience. 3---Not Easy to Leak: our warm water bag operates easily, and you may simply fill the hot water, tighten the bottle cap, and get started to use; Please do not fill too full, and it is recommended to fill two thirds of the water. 4---Suitable for Microwave: this silicone hot warm bottles can be heated in the microwave with cold water repeatedly, after taking off its knitted cover; The optimal heating time is less than 3 minutes, and microwave heating power must be less than 800W, and please do not use light wave mode of the microwave to heat; If swelling occurs during heating, please stop heating immediately and do not turn on the microwave promptly. 5---Easy to Use: this hot water bottle for cramps has a wide mouth for easy filling, and the anti splash lip with cap prevents water from spraying out like those rubber bottles, convenient and practical; Note to fill with two thirds hot or cold water, not boiling water. 6---Wide Range of Applications: our hot bottle water bag is very suitable for your daily life, in offices, travel and other places, suitable for adults and children, suitable for cold compress and pain relief, to keep your feet, hands, back and legs warm and comfortable..Items from Sheng Xinshun's shop