Made of good material, the hot water sack stopper is durable and practical to use, featuring lightweight and compact design, very portable to change, which makes you more convenient. The design is simple, and the surface is smooth without burrs. Applicable, replace the stopper of the hot water bag . Features -Color:White -Material:Plastic -Size:3.80X2.00X2.00cm/1.49X0.79X0.79in -Thread Diameter Depth:16mm/0.62in -The right size of this water bottle stopper fits hot water bags well, with thread pattern design, owing good sealing function. -This replaceable stopper is very easy and simple to use and does not require a complicated operation process, ensuring efficiency and experience. -This stopper has a simple shape with excellent craftsmanship, which is both beautiful and practical, and the interesting shape is perfect for use. -This seal stopper is well-made, for the production of strict requirements, excellence, adherence to pragmatic, quality in the first place. -You can share the hot water sacks stopper with your family and friends because this bottle cap is practical, and they will be happy to receive it. Package list: 2 Water Bag Stoppers