Lobster claw clasp and Round Clear Prong Zircon. This is steel waterproof chain with 18K gold plating. 2mm, 4mm, 5mm Stones. Adjusts to fit most wrists. Stainless Steel. Waterproof The classic Tennis Bracelet. Waterproof. Lobster claw clasp allows more fit options for stacking. The 2mm is the simple stacking Tennis Bracelet