Thank you for viewing! This is a bottle cover, perfect for carrying plastic bottles and water bottles. It has a zippered storage space on the front, sized to perfectly fit a smartphone. You can also store things like handkerchiefs and lipsticks. Made of durable polyester material, it's suitable for outdoor activities, sports, and everyday use. It's also water-resistant, so you can use it with peace of mind! *Available colors: Black, Blue, Pink, Beige *Can accommodate Sahara Tiger water bottles and Thermos water bottles of about 1 liter. However, please note that this depends on the type of water bottle. The length of the bottom of the cover is about 9 cm. Please check the size yourself if you want to put a water bottle in it. Please note that there may be slight variations (1-2 cm) due to this being an overseas product. This is really convenient! *We are sorry, but we cannot accept returns or exchanges due to the water bottle not fitting after purchase. We leave the decision to purchase up to the customer, including this point. If you have any concerns, please consult with us before purchasing.