Feature: Made of high quality silicone material Can be autoclaved, easy to clean, infinitely reusable, non-allergenic, perfectly fits your head, maximum comfort, and effectively prevents rain and sweat Stylish and exquisite. Wearing a mask for a long time can reduce the pressure on your ears. Suitable for various tasks: Mask ear hooks are suitable for most people to perform different jobs. E.g. Doctor, office work and some special jobs. Compatible with most masks: Mask ear hooks are compatible with most masks on the market today: N95, mask, medic al mask, dust mask. Specification: Material: Silicone Color: white, pink, blue Gender: Unisex Size: 5.1x3.1x0.6cm / 2.0x1.2x0.2in Transition: 1 cm = 10 mm = 0.39 inches The package includes: 3 pairs(6PC) X Ear Hookear Due to manual measurement, please allow 1-3mm error. Make sure you don't mind before bidding. Due to differences between monitors, pictures may not reflect the actual color of the product.