... PDA,etc. for all kinds of water sports,such as, swimming,skiing,surfing,fishing,etc. water proof bag for cell phone ... outdoor, beach, swimming pool and underwater usages. for all kinds of water sports, such as swimming, skiing, surfing, fishing, etc. ... quality ,Fashion design and competitive priceGood choice for Promotion100% water proof, neck strap can be adjusted flexiblelyMaterial:PVC or TPUThickness ...