1. Silicone material is comfortable to wear.
2. The line length of the face cover can be easily adjusted with this buckle to fit children.
3. Multifunctional rope buckle used for shoelaces, round elastic bands, sewing accessories, etc.
4. This non-slip buckle can reduce pain and pressure when wearing a face mask on your ear for a long time.
5. Professional face cover making accessories can easily meet your different tightness needs and bring you much convenience.

Specifications:
Item Type: Adjustment Buckle
Specification: 400 x adjustment buckle
Material: silicone
Color: Transparent
Size: Length: Approx. 0.9cm/0.4inch, Width: Approx. 0.5cm/0.2inch

packing list:
400 x adjustment buckle