THIS ROLL TOP BACKPACK IS YOUR GO-TO WHEN YOU HAVE A LOT TO CARRY. ITS TOP CAN BE ROLLED DOWN FOR STYLE & FIT OR UNROLLED & ZIPPED TO UTILIZE ITS FULL CAPACITY. THE SIDE ACCESSORY ZIP POCKETS ARE PERFECT FOR WATER BOTTLES OR SMALLER ITEMS, & SIDE-ZIP ENTRY TO THE MAIN COMPARTMENT ALLOWS FOR QUICK ACCESS TO EVERYTHING. KEEP DIRTY SHOES OR CLOTHES SEPARATED IN ITS WATER-RESISTANT COMPARTMENT WHEN YOU'RE TRAVELING HOME AFTER A LONG DAY OF EXPLORING. COMPLIES WITH PROP 65. 25" L X 14" W X 7.5" D