Now on sale! Get an extra shoulder strap as a gift! ● Water bottle case (with shoulder strap) - plain black ★ Ships within an average of 24 hours ● Shipped via Rakuraku Mercari Bin ● What is Rakuraku Mercari Bin? It's a service by Kuroneko Yamato (Yamato Transport). It has three main features: ★　★　★　★　★ Feature 1: Faster delivery than regular mail. Feature 2: You don't need to directly share your address and name with the recipient. Feature 3: You can track the shipping history, knowing when it was shipped and when it arrived. ★　★　★　★　★ ~Because it's Kuroneko Yamato's Nekopos service, delivery is faster than the post office.~ ★ Product with over 1000 sales! The second photo shows my water bottle inside. 【Water bottle not included】 The shoulder strap is adjustable in length. Strap: ● Total length approx. 63-111cm (adjustable) ★ For 1000ml bottles (approx. 20cm height, 8cm diameter) If the size fits, it's compatible with Tiger, Thermos, Zojirushi, and more. □ Please check the size of your water bottle. ● For children to take to school, a water bottle case (water bottle cover). But if the case breaks, you have to buy a whole new water bottle set (T_T) Sometimes, even if you can buy just the case, they have colorful patterns. That's right, Colorful patterns are sometimes prohibited at school. And boys are often shy and prefer plain black. Also, it's easy to wash and made of stretchy sweat material, making it easy to use. The water bottle case has an air hole at the bottom. Only the water bottle case and shoulder strap are included; the water bottle itself is not.