Sell 50Pcs/Pack PVC Silicone Thread Round Flat Mask Adjustment Buckle AA Ear Strap Rope Elastic Adjustment Buckle Face Mask Extender Button Button for Mask Extender YIDEA best price

Color: black, white Material: plastic, silicone Diameter:9mm Thickness:4mm Suitable for: elastic band, mask line adjuster Package include:50Pcs/Pack Quality Material: The cord locks are made of premium silicone, It is lightweight, durable, and not easily break, You can use them for a long time. Easy to Adjust: Our cord stoppers can be easily adjusted the length of the cord to fit for various facial sizes, Simply squeeze together and the Adjustment Buckle can move freely up and down. When released, tension is engaged and the Adjustment Buckle stays in place. Available for all ages. Multipurpose: Cord locks for drawstrings, round and flat elastic bands, lanyard, sportswear, face scarf, laces, hair bands, necklines, shorts, skirts, sleeves, tights, headbands, laces, wigs, diaries, hats, home decoration or belts, bags and a variety of outdoor and gym products.