Thank you for visiting our shop. Please read the following notes: ① Comments such as "Can I buy this?" before purchasing are unnecessary. ② We do not offer discounts. ③ We accommodate combined purchases. ④ We only provide comments when shipping. This product is a water bottle case with a shoulder strap. The length of the shoulder strap is adjustable. The maximum length of the strap is 94cm. Please check the size of your water bottle. We have prepared a water bottle case so that children can take it to school. (Water bottle cap) ****About Shipping***** Shipping will be via standard mail or Click Post. Standard mail does not have a tracking number. Shipping is done on Mondays, Wednesdays, and Fridays. Shipping will be done the next day at the earliest after purchase. If the shipping day is a public holiday, shipping will be done the day before or the day after. Example) ・Order placed by customer on Friday ・Monday: Public holiday ⇒ Closed ・Tuesday: Shipping It takes approximately 3-5 days for delivery, but it may take 4-7 days depending on holidays, traffic conditions, and weather. ****About the Product***** For 1000ml water bottles (height approx. 20cm, diameter approx. 8cm) Blue Tiger, Thermos, Zojirushi... It can be used if the size fits. *There is a hole in the bottom to release air, but this is not a defect.