SeaSucker Dry Box Small. Waterproof airtight crushproof. Made of clear plastic with a lockable lid lanyard and belt clip it fits perfectly into the slots of all of our cup holders. Its 2.5inx3.25inx5.5in interior dimensions allow you to safely hold your keys wallet cell phone PDA cigars etc... Specifications for SeaSucker Small Dry Box: Manufacturer: SeaSucker Fabric/Material: Plastic Dimensions: 2.5x3.25x5.5 in Water Resistance Level: Waterproof Size: Small Package Contents: SeaSucker Small Dry Box SeaSucker MZ9308: Dry Box Small