One size Length, in 11.81 Width, in 5.12 Height , in 18.11 This bag is made from spun polyester and weights 1.3 lbs, just enough to be light, strong and long-lasting. (Made in the USA) .: 100% Polyester .: Lightweight and waterproof .: Adjustable shoulder straps Size guide: Length 12 inches Width 5.15 inches Height 18.15 inches Key features: -100% Polyester -This strong and durable synthetic fabric retains its shape and dries quickly -Padded back -Padded mesh back panel and straps for extra comfort, breathability and easy carrying -A total of 4 compartments - 1 main zip pocket, 1 front pocket, bottle pocket on the side and inside compartment for a laptop or tablet *item designed by me printed by Printify