Thank you for viewing! This is a bottle cover, also known as a water bottle cover, designed to make it easy to carry plastic bottles and water bottles. It has a storage space with a zipper on the front, sized to perfectly fit a smartphone. You can also store things like handkerchiefs and lipsticks. Made of durable polyester material that can be used for outdoor activities and sports, it's also water-resistant, so you can use it with peace of mind! *Available colors: Black, Blue, Pink, Beige *Can store 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 being an overseas product. The buckle part is available in plastic and metal. If you have no particular preference and are okay with either, please purchase as is. If you have a preference, please consult in the comments section. This is really convenient! #WaterBottleCover #WaterBottleCoverWithPouch #WithPouch #WaterBottleCase #WaterBottleHolder #PlasticBottleCover #PlasticBottleCase #PlasticBottleHolder #PlasticBottle #Mobile #Smartphone #Accessories #ShoulderBag #CrossbodyBag #HeatstrokePrevention #SportsDay #AthleticMeet #Gym #Exercise #Sports #FieldTrip #Convenient #Waterproof *We are sorry, but we cannot accept returns or exchanges after purchase due to the reason that the water bottle does not fit. We leave the purchase decision to your own judgment, including this point. If you are concerned, please consult us before purchasing.