Specification Brand : NYSUZHOUJI BulletPoint1 : [Rubber Material] The hot water bottle bag is made of rubber, which can effectively maintain the water temperature. BulletPoint2 : [Widely Used] Hot water bottles are widely used and can be used to relieve fatigue and sports injuries such as neck, back and shoulders, muscles. BulletPoint3 : [Easy to Fill] The hand warmer bag adopts a wide mouth design, which can be easily filled with hot water. BulletPoint4 : [Soft and Removable Cover] Grooved plush water bottle cover, machine washable, effectively keep warm for 6-8 hours. BulletPoint5 : [2L Large Capacity] When pouring hot water into this large capacity hot water bottle, make sure the temperature does not exceed 80 degrees Celsius. Color : Dark Gray ItemName : 2L Hot Water Bottle Rubber Double Sided Hand Inserted Large Hot Water Pack Removable Hot Cold Pack (Dark Gray) ItemPackageDimensions_Height : 3 centimeters ItemPackageDimensions_Length : 35 centimeters ItemPackageDimensions_Width : 21 centimeters ItemTypeKeyword : hot-water-bottles ItemVolume : 1 cubic_centimeters Manufacturer : NYSUZHOUJI Material : PVC, Plush ModelName : NYSUZHOUJIq63dyescta-14 ModelNumber : NYSUZHOUJIq63dyescta-14 NumberOfItems : 1 NumberOfLithiumMetalCells : 1 PartNumber : NYSUZHOUJIq63dyescta-14 ProductDescription : Spec: Item Type: Hot water Bag Material: Rubber and grooved plush Gross Weight: 452g/15.9oz Capacity: 2000ml Package List: 1 x Hot Water Bag Cover 1 x Hot Water Bag Note: The color of inner water bag is random.