High Stretch Elastic Bands with Adjustable Buckle The elastic cord is durable and the length is adjustable. Ensuring breathable while maintaining durability, making it more comfortable to wear. The soft adjustable buckle can help you easily slide over the ear-loop and hold the mask securely, effectively reduce the pain and pressure. Widely used in face cover, earmuff, ear flap, home decoration, hair bands, necklines, cuff, brwaistbands, skirts, pants, sportswear, crafts DIY projects and so on. Specifications Material: Chinlon Colors: Black, White Wide: 0.2inch（5mm） After folding Length:10cm/4inch Package Includes:50*2 x Elastic Bands Premium Quality Made of polyester material, strong elasticity and flexibility, durable and gives you a fortable and breathable feeling. A good helper for your sewing and knitting. Good Elasticity The elastic rope is very stretchy, which can be easily restored without deformation after stretching, ideal for making your face cover fit well on the face. Various Adjustment Buckles Type of plastic buckle has screw and round buckle which can effectively keep rope in place that to meet you or your kids different tightness needs, and hold the face cover securely for a better protection. Functions Effectively reduce the pain and pressure of wearing a face cover in the ear for a long time. Wear it in the most comfortable state. Ideal for sewing, handicrafts and handmade.