Starbucks Starbucks Pet Bottle Cover for 480-600ml Bottles - Sold Individually Color: Black High-quality, stretchy material The fabric cover is durable and can be used for a long time. Air holes are present. Note: When inserting a pet bottle or water bottle, it can be difficult to insert without air holes, so 5mm air holes are present at the bottom to make it easier to insert. This is not a defect. Please be aware of this before purchasing. Due to being an overseas product, there may be wrinkles, fraying, or odors. Please understand this beforehand. Starbucks Starbucks Pet Bottle Cover