PVC material: Made of durable PVC material, this waterproof pouch is unbreakable and can be used for a long time! It's lightweight at 131g, so it's easy to carry! Size: width 22cm x height 16cm x gusset 8cm, thank you for your understanding. Excellent waterproof ability: It has excellent airtightness and is highly waterproof, which protects your belongings from sand and water. Try using it not only on rainy days, but also for outdoor activities such as swimming, fishing, biking, and running! Type where the fabric is rolled up and fastened with a hook and loop fastener: It has a triple zip design that can be folded back and fastened with a hook and loop fastener. Thanks to the larger opening, you can easily put in and take out small items! Storage capacity: Can store the minimum necessary items such as smartphones, keys, glasses, etc. This is a waterproof bag that combines functionality ~ Recommended! Comes with a removable belt: The belt is elastic and comfortable to wear.The length can also be changed, so you can adjust it to suit your body shape and physique, and you can wear it across the body or as a waist bag. It can be used as, very convenient!