This item can be used with water bottles that have removable shoulder straps. ^^ ■ Size Length: Approximately 22.5 cm Width: Approximately 4.5 cm Strap insertion opening: Approximately 4 cm *Please allow for slight variations. ■ Material Quilted fabric The part that rests on the shoulder is made with two layers of quilted fabric. This is not a mass-produced item, so please purchase only if you can accept slight imperfections such as minor distortions, misalignments, and double stitching, and if you understand that it is handmade. *The water bottle strap is not included. *The water bottle strap cover is made using fabric scraps and is offered at a low price. Therefore, there may be individual differences in length. Please be aware of this if purchasing multiple items. No price reductions except for bulk purchases. Lunch bags for boys are here → #hacheys_Lunch_Boys Preparation for entering school/kindergarten Kindergarten preparation Kindergarten Elementary school Kids Children Water bottle strap cover Shoulder strap cover Cool Simple Type...Water bottle cover