● Convenient water bottle cover made from diving material ● Please check the size ● ★ For 1000ml (approx. 20cm height, 8cm diameter) ★ Black color ● Convenient 2-way type The shoulder strap can be removed, and it can be used as a handheld ● Adjustable length strap Can be used by a wide range of ages Great for carrying to school or the office, as well as for outdoor activities ● Weakly cold and weakly warm. Enjoy cold drinks even in the hot summer, and warm drinks even in the cold winter ● Gently absorbs condensation from the bottle, making it difficult to wet desks and bags (It does not completely prevent wetting) ● Easy to clean Wipe off dirt with a wet cloth, and keep it clean at all times Also, if you are concerned, you can wash it by hand with water Water bottle cover, coordination, sports, field trip, athletic meet, insulation, club activities, camping, fishing, baseball, school, soccer, swimming, tennis, basketball, golf Case, bottle cover, shoulder strap, with string, carrying, commuting, going to school, going out, simple, stylish, cold retention, 1L