The perfect pack for all your snacks-plus dedicated space for your laptop, water bottle, and all the books you can carry. Details Backpack With Removable Insulated Cooler 20L Backpack With Molle Web Front Panel Exterior Zipper Pocket for Organization Laptop Sleeve Elastic Mesh Water Bottle Pocket 5L Insulated Cooler With Web Straps to Attached to Backpack Top Handle For Easy Carry YKK Zippers Padded Shoulder Straps Whistle Buckle on Sternum Strap Exterior Printed Name Label on Lunchbox Reflective Zipper Pullers Materials Body: 100% Recycled Polyester Lining: 100% Polyester Specifications Volume: 24L Dimensions: 16.92x12.99x6.29in/43x33x16cm Weight: 0.81kg/1.78lbs