Item No.: HG-01(power grip weight lifting) Material: 100% eco-friendly silicone Color: Yellow , red , green , dark blue, black in-stock/Can be customized Logo: Printing , Debossed ,Embossed/Can be customized Shape: Smooth Ring/Bumped Ring/Lip shape/Can be customized Size: 8.8*4.4cm / 6.8*3.2cm Weight: 100g/60g