This item is a set of mask extension hook, which is designed to help you tighten the mask and provide better protection. Also can protect your ear. Made of premium material for durable and practical use. Suitable for most mask. Non-slip design helps hold the mask well, more comfortable to wear. Features - Color: Random. - Material: PVC. - Size: 14 x 3 x 0.6 cm/5.51 x 1.18 x 0.23 inch. - Made of premium material for durable and practical use. - Non-slip design helps hold the mask well, more comfortable to wear. - Designed to help you tighten the mask and provide better protection. - Creative cartoon design makes it more among people. - The mask hook is compatible with most ear cups on the market and reduces ear scratches.