Quality MaterialThese mask straps are made of durable silicone, which will not break or be torn easily in your daily use. The softness can guarantee your comfortable wearing experience.Adjustable DesignThe four buckles included in the package can help you adjust the silicone straps to the length more suitable for your head circumference.Universal StrapOur swimming goggles straps are universally compatible. They fit most diving or snorkeling masks. You can feel free to buy them to improve your diving or snorkeling experience.Wide ApplicationsThese swimming goggles straps are great for diving, snorkeling, free diving and other water sports. They can help you tie the glasses more tightly to ensure your good vision underwater.Great GiftThese silicone straps are great gifts for your family or friends if they love water sports like diving or snorkeling. The black and transparent colors can meet your different gift-sending needs.Specification:Material: siliconeColor(quantity): black(1), transparent(1)Feature: strongSize(approx.): (L x W) 55 x 1.8cm/21.65 x 0.71inchPackage Included:2 Pcs x Silicone Straps(varied in color)4 Pcs x BucklesNote:1. Due to the light and screen difference, the item&<br> 039;s color may be slightly different from the pictures.2. Please allow 1-2 cm differences due to manual measurement.