Come and see our amazing products. The non-tightening face cover holders are made of 100% high-quality TPR material, soft texture and skin-friendly,which is soft and comfortable, featured with smooth surfaces and edges, light in weight and won't cause any burden or discomfort to your ear or head, you even can't feel it while using,Washable and durable. The mask strap extender has 4 adjustable card positions on both sides. You can adjust the length according to your head size, suitable for diffirent size. The price includes shipping cost to ca. QTY for 50k and over by ocean. Pls confirm with us about the packing info, stock color and exact production time before placing your order.