Universal Waterproof Bag for Smartphone

• The use of new high-security performance waterproofing system. Less than 20m depth waterproof guaranteed
  
• Please make use of the first test to check for damage
  
• Double-layer protection: neck hanging type and the mountain type    
  
• It can float. So,you do not have to worry about when it falling into the water.    
  
• Using a temperature not exceeding 40°.
  
• Material : PVC