Starbucks Starbucks Pet Bottle Cover for 480-600ml Bottles - Sold Individually Color: Gray High-quality, stretchy material The fabric cover is durable and can be used for a long time. Has air holes. Note: When inserting a pet bottle or water bottle, it can be difficult to insert without air holes, so there is a 5mm air hole at the bottom to make it easier to insert. This is not a defect. Please understand this before purchasing. Please note that this is an overseas product, so there may be wrinkles, fraying, or odors. Thank you for your understanding. Starbucks Starbucks Pet Bottle Cover