These are durable and inexpensive slings made from 18mm nylon webbing. They are great for everyday cragging and anchor-building. Now comes in 5 different lengths 10" to 189". Weight: 10" 0.7 oz. (21 g), 23.5" 1.5 oz. (43 g), 47" 1.5 oz. (45 g), 94.5" 3.4 oz (181g), 189" 12.7oz. (187g) Lengths: 10" (25 cm), 23.5" (60 cm), and 47",120 cm, 94.5" (240 cm), 189" (480 cm) CE/UIAA certified Color: assorted