1. zn adhesive/stick-on wheel weights 2. material: zn, zinc 3.in comformity with europe regulation on hazardous metal such as lead,cadium 4. size available: 60g (10g x 4 / 5g),etc. 5. surface treatment: anti-corrosion plastic coating 6. two-sided blue liner tape, other kind of tape available. *. we can supply zn, fe, and lead wheel weights in both clip-on and stick-on adhesive types.