2Set accessories: 8 x silicone Mask Strap Extenders & 1 set x Wall socket waterproof box1,High-quality material: using high-quality silicone material, soft and non-slip, does not hurt the skin.2,Relax your ears: Compatible with most of the ear-mounted face shield on the market. You can change the buckle in seconds and reduce the pressure and ear fatigue on the ears.3,Multi-function: There are three adjustable gears, suitable for many people, including children and adults.Brand new material and fashionable appearanceWaterproof design,perfect for using in bathroom and kitchenSuitable for 86 type wall socketCompatible for home,office,restaurant,hospital,school,etc.Material:Silica gel+ABScolour:gray+ BlueSize: A type:15.8x1.5cmB type: 118mm x 100mm x 45mmPackage Contents:8 x silicone Mask Strap Extenders1 x Wall socket waterproof box1 x Sponge matsOnly the above package content, other products are not included.Note: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.