Product description: Size: 180 * 220mm Color: black + blue Material: PVC Package includes: 2 pieces waterproof cell phone pouch Description: 1.100% waterproof: The bag is closed by three layers of sealing and a Velcro fastener, really 100% waterproof. The bag protects your cell phones, keys, cash, documents from water, dust and scratches. Therefore the bag is suitable for water sports or outdoor activities. 2.Notes: A water test is always required before use. Instead of putting paper or fabric into the pocket and sinking it into the wash basin for a long time to test for leaks, instead of the cell phone. 3.Large room: 18cm x 22cm. You can put all small things like cell phones with almost all types, cash, keys, watch, ID etc. in the pocket. Very practical and safe. 4.Robust and adjustable strap: you can hang it anywhere, e.g. around your waist or over your shoulder. Soft PVC material is more impervious.