Features:1. The mask rope adjustment belt can solve the problem of too tight or too loose rope.2. For adults, if the mask rope is too short and too tight, it can extend the rope moderately.3. For children, if the mask rope is too long and it is too loose, it can shorten the rope moderately.4. It is made of PE soft rubber material, which is safe and environmentally friendly. With smooth edges, they can be arbitrarily bent and soft to the skin.5. The inside adopts non-slip design to prevent it from moving and falling when worn.6. Suitable for all kinds of work, such as doctors, office work, and some special ones like children.7. The face buckle had 4 adjustable levels, suitable for most of the people.8. Small but practical, easy and convenient to wear.Specifications:Material: PPSize: 168 x 15mm/6.61 x 0.59 inch(Approx.)Uses: Auxiliary hook for ear-hook mask, four-level adjustmentApplicable object: Adult / ChildrenPackage Including:10 x Adjustable Mask Extension Hooks
