Centon 4 GB Waterproof USB Flash Drive Multi-pack (10) DSW4GB10PK Centon's DataStick Sport is made of a durable silicon casing with a leak-proof cap design making the drive waterproof and shock resistant. DataStick Sport is the perfect drive to withstand the bumps and bruises of the daily grind. Centon's DataStick Sport is available in multiple colors and a full range of capacities. This affordable drive is ideal for personal use, small business and schools. Store all your digital documents, pictures, video clips and MP3 files.