Adjustable StrapOur water bottle carrier bag comes with an adjustable shoulder strap. You can adjust the length of the shoulder strap freely according to your needs, so you don't need to hold the bottle when you are outdoors, freeing your hands. Easy to CleanThis floral printing bottle pouch holder can be machine washed and is easy to clean, so there is no need to worry about the problem of staining the portable water bottle holder pouch cover due to leaking beverages. Our floral printing bottle pouch holder will not be damaged even after a lot of cleaning, it is sturdy and durable, and has a long service life. Wide ApplicationOur portable bottle cover bags with adjustable shoulder strap can store most water cups, vacuum flasks, milk tea cups, etc. The mouth of the water backpack is moderate in size, making it easy to take out and place the water cup. Suitable for walking, running, hiking, biking or traveling. Protective & DurableThick and stretchy material provides added protection to prevent your bottle from scratching and damaging; plus reinforced stitching at all the seams,this attractive floral printing cotton linen cup bags is sturdy for lasting long time ,to ensure the safer of your bottles. Packaging & SizeThe package includes: 2 x water bottle tote bags, the size is 19cm x 8cm / 7.48in x 3.15in, the shoulder strap length is 60cm/23.62in, the longest can be adjusted to 105cm. You can choose the length as you like, it can be crossed diagonally or hand-held.