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. Due to being an overseas product, there may be wrinkles, fraying, or odors. Please be aware of this beforehand. Starbucks Starbucks Pet bottle cover