[Design Patent Pending] This is a shoulder strap specifically for THERMOS baby straw mugs (original product). Simply replace the standard handle to use it as a shoulder-type water bottle. Model: YUYKIDBTLTBS1 Confirmed compatible models: FHV-250 FHV-350 FJL-250 FJL-350 FJT-250 FJT-350 (Not compatible: FFH-290ST, etc.) Features - Adjustable length. - You can choose the color of the belt. *Please let us know your color choice after purchase. Contents - Mounting ring x 1 (white) - Shoulder strap 1m x 1 *Additional 1m strap only (+300 yen) Notes - Water bottle not included. - The mounting ring has a heat resistance of 60 degrees Celsius and cannot be used in dishwashers. - While carefully crafted, this is not a mass-produced item, so please be aware of minor scratches and layer marks that may occur during the 3D printing process. - Please contact us if there are any defects with the product. Click here for a list of children's products↓ #YUYKID *This product is an original item sold exclusively by our store. As some of our products are in the process of being patented, please refrain from producing or selling similar items that imitate our ideas. [Keywords] Thermos THERMOS Shoulder strap Shoulder strap Strap Baby straw mug Thermos bottle