This super lightweight, weatherproof pannier bag from Timbuk2 is built to carry a 15 inch laptop plus essentials. 18 liter cargo capacity.This product will be shipped directly from Timbuk2 and will leave their warehouse in 2 3 business days. Eligible for UPS ground shipping only. Everyday pannier with a classic rucksack design. Stretch laptop pocket inside fits most 15 MacBooks. Laptop pocket measures 13.8 x 11.4 x 2 inches. Secure pocket on the lid for secondary organization and quick access to gloves, tools, wallet, etc.. Fast clip pannier attachment for easy on and off bike. Made in durable weatherproof ballistic nylon. Easy carry grab handle for carrying off bike. Vista loop for blinky bike light and additional reflective hits.