With a tarpaulin bottom panel and a coating on the external 600 denier helix material the tenba dna 13 messenger bag is entirely water and abrasion proof durable and secure it is designed to fit a mirrorless camera with 4 5 lenses or a dslr with 2 3 lenses up to 70 200mm 28 plus flash and accessories an adjustable security strap is integrated into the design for extra security when being used on a bicycle or a scooter and the unique quick access zipper provides top access to your eq