Shape: flat width 5MM
Size: total length 20CM, length after folding 10C, error 5MM
Color: black and white color
Product description: There is a silicone buckle in the middle of the black ear strap with adjustable buckle, so that the silicone plug can slide between the two ropes. The distance between the control strap and the black mask ear strap is closer to the face when wearing the mask.