Made of plastic material, the hot water sack stopper is 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: 4.30X3.00X2.40cm/1.69X1.18X0.94in -This sealing stopper is simple in construction but very easy to use, ensuring its practicality. -The good sealing function hot water sacks stopper fits most types of hot water bags on the market, adding more practicality. -Our replaceable stopper is made from reliable plastic materials that are resistant to breakage and deformation. -This stopper is lightweight and small, so it won't take up too much space for you, and it's easy and convenient to take and use anytime and anywhere. -This stopper for hot water bags is a present for those friends and family who love hot water bags. Package list: 5 Water Bag Stoppers