SPEEDO Hard Deck Messenger Bag (24L) -A water-repellent exterior is constructed of durable 900 Denier nylon for maximum abrasion resistance. -Efficient internal organization keeps everything you need right where you need it most. -Water resistant zippers provide added protection around wet environments. -Raised 15'' laptop sleeve protects computers from impact. -Adjustable shoulder straps. -Pack is designed to meet the most demanding coach's needs. -Removable dirt bag? keeps dirty/wet gear separated from clean garments. -Internal organizer comes with a zip pocket, a few slots for writing utensils and storage pockets. -Bag Dimensions: 15'' x 18'' x 4'' -Inner Mesh Poccket Dimensions: 6'' x 10'' .