Enough for Daily Use: you will receive 3 pieces of mini hot water bottles with 3 pieces of knitted covers, coming in grey, pink and green colors, measuring about 105 x 50 x 158 mm/ 4.13 x 1.97 x 6.22 inches, weighing about 140 g/ 4.94 ounces, with a capacity of about 350 ml/ 11.84 ounces, sufficient quantity, styles and colors to use, exchange and share with others, practical for different situations, moods and feelingsReliable 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 experienceNot 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 waterSuitable 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 promptlyA Wide Range of Application: our hot pouch for body is ideal for your daily life use, in the office, travel and other places, suitable for adults and children, applied for cold compress and heat treatment, keeping your feet, hands, back, legs and others warm and comfortable