these reusable water bottles are made of quality PE material, reliable and reusable, sturdy and not easy to break, easy to carry,can support kids and adults for daily fitness, travel, outdoor activities and more.a large capacity of about 24 oz, with a size of about 2.8 x 9 inches/ 7.2 x 23.4 cm, portable to carry or place in bottle cages.our bike water bottles are suitable for team baseball, basketball, football, hockey, fitness, exercise, camping, hiking, triathlon, cycling, home, office, school and gym, and the blank surface allows you to DIY your own water bottle.Qty for 1k and over by ocean.