1. Multifunctional rope buckle used for drawstring, round elastic band, sewing accessories, etc.
2. The length of face cover line can be easily adjusted with this buckle to suit for children
3. Environmentally friendly silicone material is non‑toxic and comfortable to wear
4. This anti‑slip buckle can reduce pain and pressure of wearing a mouth cover on the ear for a long time
5. Professional face cover making accessories can easily meet you different tightness need and bring much convenience for you

Spec:
Name: Adjustment buckle
Specification: 400 x Adjustment buckle
Material: Silicone
Optional Style: Black, White
Size: Approx. 10mm / 0.4in, approx. 4mm / 0.2in, approx. 2mm / 0.1in

Package List:
400 x Adjustment Buckle