Starbucks Starbucks Pet Bottle Cover for 480-600ml Bottles - Sold Individually Colors: Black and Gray 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 there are air holes of about 5mm at the bottom to make it easier to insert. This is not a defect. Please be aware of 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