Hypoallergenic Plastic Earring Hook, Eco-Friendly Plastic Earring Hooks, with 304 Stainless Steel Bead, These are great if you suffer from allergies. Extremally light weight, they look delicate but are very sturdy and flexible

Comes in 10pcs or 20 pcs

Material:
100% recycled polycarbonate (PC for short)

Size: about 8mm wide, 15.5mm long, 0.7mm thick, hole: 1.2mm, pin: 0.5mm.