Originally developed for restaurant wait staff Perfect for coupons, notes, pictures, etc. 3 slots for clasp to allow wallet to EXPAND 18 inch heavy-duty metal link chain Made of polyurethane Product Dimensions ‏ : ‎ 17.78 x 5.08 x 10.16 cm; 267 Grams Date First Available ‏ : ‎ 28 March 2018 ‏ : ‎ B076L3TWTL Department ‏ : ‎ Unisex-adult Item Weight ‏ : ‎ 267 g Item Dimensions LxWxH ‏ : ‎ 17.8 x 5.1 x 10.2 Centimeters