SPECIFICATIONS External Dimensions: 43*32*16cm Material:Water-repellent polyester fabric. Breathable Mesh Back Panels for comfortable carrying. Adjustable padded shoulder straps for optimal comfort and ergonomic support. Outer Features:The backpack has 1 outer zipper closure pocket that is perfect for utensils like pens, pencils calculators and more. Easy-carry top handle and adjustable padded shoulder straps. Main Compartment:The main compartment features a padded laptop pocket and a padded back.Suitable For More Occasions For College, Work, Travel, Hiking, Camping, Cycling And Other Outdoor Activitie Etc. Side Pockets: Durable Elasticized Pockets on both sides, fit water bottle, small compact umbrella and other items.