Mask Elastic Adjustment Buckle Adult Children Masker Elastic Adjustment 220PC Description: The earache caused by long-time mask wearing is a kind of suffering to us all. How to relieve the pain? For sure, here is the solution. This PE made mask adjustment buckle perfectly fit to your head with maximum comfort and fixation. The adjustable 3-level design allows convenient wearing by all people. Features: Great Earache Prevention: can help to relieve the pressure of long-term wearing of mask on ears. 3 Adjustment Levels Design: Can be used by adults and children. Easy for you to adjust to meet the tightness requirement. Washable&Durable: The fixer is made of durable PE material, which can be repeatedly cleaned, bent, not worn or curled. Wide Compatibility: Fit for various masks with two-point connection or disposable masks, -dust masks, etc. Reliable For Long Time Use: The lightweight fashionable mask hook can fit well with all head shapes, adding no weight to the head. Specification: Product Name: Mask adjustment buckle Material: plastic Quantity:220pcs Fit For: Adults&Children Size:Diameter: 9.5mm,Large hole: 4mm,Small hole: 2mm Package Include: 220pcs x Mask adjustment buckle