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Mask line buckle is also called mask buckle, mask ear buckle, mask adjustment buckle
Shape and size introduction: with a spiral cylindrical shape, two through holes can be inserted into the rope, 6*9MM
Mask thread buckle material: composed of silica gel and environmentally friendly PVC, with good hand feeling and wear resistance. As the length of the various mask lines slides to control the length, the mask can be worn more tightly and cooperatively
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