DescriptionThis item is a set of 10 pcs mask rope extension buckles, made ofpremium silicone material, flexible and durable. It is used to preventthe mask from slipping. Lightweight and practical, elastic and very easyto use. A nice helper for you to wear mask.Features-Material: silicone -Size: About 14.70X1.90X0.50cm/5.78X0.75X0.20inch - Made of material for long time and durable use. - It is lightweight for easy and convenient to carry and storage. - It has a simple design, but very practical in use. - Anti-slip design helps to secure the mask well and make it more comfortable to wear. - Professional mask wearing accessories, bring much convenience for you.