Waterproof and Sweatproof Men's Necklace - 3mm Rounded Box 3 to 1 Stainless Steel Chain for Men Jewelry gifts for him, dad, son, nephew, bff

For reference model is wearing the 20 inch chain.

Chain width: 3mm
Clasp: Lobster Claw
Available in: 16, 18, 20, 22, and 24 inches. (choose from menu)
Material: 316L Waterproof Stainless Steel