Features: brand new and high quality Hot Water Bottle: The hot water bottle is made from high-quality rubber material, and the bottle cover is made from knit fabric, holds heat longer. But please Caution: The hot water bottle is not suitable for Microwave oven heating. Easy To Use: Wide mouth is easy to fill and the anti-spurt lip of hot water bottle with cover prevent water spitting back out. Fill only to two-thirds capacity at most. Helpful Assistant: The hot water bag can help treating soring muscles, stress or cramps, ache and pains, stiff necks, lower back pains, women menstrual cramps and other common ache. Good mothers day gift for moms. Easy To Clean: Knit texture makes skin contacts safer and more comfortable. The cute cover is detachable for easy cleaning. Care Instruction: The hot water bottle should be replaced after two years of use. And check stopper for wear and tear damage at regular interval. Specifications: Material: Knit/Rubber, Knit Style: Knit Cover/Knit Cover+Rubber Hot Water Bottle Color: 8 Colors as Pictures Show Capacity: 1000ml Size (Approx.): 15.5x26cm/6.10x10.24in Weight (Approx.): Knit Cover-80g Knit Cover+Rubber Hot Water Bottle-180g Package Includes: 1 Piece Hot Water Bottle Knit Cover (8 Colors to Choose) or 1 Piece Hot Water Bottle with Cover (8 Colors to Choose) note: 1.Please allow 0-1cm error due to manual measurement. please make sure you do not mind before you bid. 2.Due to difference between different monitors, the picture may not reflect the actual color of the item. Thanks!