Material: aluminum alloy<br>Gender: neutral / male or female<br>Color: black, silver<br>Size: Free<br>Purpose: water bottle holder<br><br><img src="http://img04.taobaocdn.com/imgextra/i4/823109269/TB2tkkaaFXXXXXiXpXXXXXXXXXX-823109269.jpg"><img src="http://img02.taobaocdn.com/imgextra/i2/823109269/TB2n0IiaFXXXXXoXXXXXXXXXXXX-823109269.jpg"><img src="http://img04.taobaocdn.com/imgextra/i4/823109269/TB27dsbaFXXXXcAXXXXXXXXXXXX-823109269.jpg"><img src="http://img02.taobaocdn.com/imgextra/i2/823109269/TB2oYIiaFXXXXXpXXXXXXXXXXXX-823109269.jpg"><img src="http://img04.taobaocdn.com/imgextra/i4/823109269/TB2RT.eaFXXXXaAXXXXXXXXXXXX-823109269.jpg">