171937 Quantity：1 Color：Black Material：Plastic steel Functions：Easy installation with tools-free design; Holds your water bottle firmly while riding Best Use：Bike commuting & touring Packing List：1 x Water bottle holder Dimensions: 3.07 in x 2.87 in x 1.42 in (7.8 cm x 7.3 cm x 3.6 cm) Weight: 3.17 oz (90 g)