Water Bottle Shoulder Strap Cover (For Detachable Straps) Length: 23cm Width: 6.5cm Strap Insertion Opening: 4.5cm (Please allow for slight variations) Materials: Cotton fabric and quilted fabric This cover can reduce the burden of the water bottle strap on your shoulder ^o^ It also serves as a marker for your own water bottle. * The finishing touches are hand-sewn for a comfortable feel. This is a handmade item, so please understand and purchase accordingly(^^) #PreschoolEntrancePreparationSupplies #SchoolCommute #WaterBottleShoulderStrapCover #Children #Black #Marker #Monotone