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The material is divided into: spandex and crocheted rubber band
The rope can be slid to control the length of the rope through a silicone adjusting buckle. The total length is 21CM. After folding in half, it is 10.5CM. It is easy to operate and sew directly on the mask
Mask rope with adjustable buckle: Spandex has excellent elasticity. The strength is 2 to 3 times higher than latex yarn, the linear density is finer, and it is more resistant to chemical degradation. Spandex has good acid and alkali resistance, sweat resistance, seawater resistance, dry cleaning resistance and abrasion resistance.
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