Large capacity The main room is large enough to fit a basketball/football. With roomy compartment and multi-purpose pockets, enough room to hold and well organize your iPad, books, folding umbrella, water bottle, wallet and other small items,meeting your basic needs of fitness, daily short trips and hiking. How to adjust the shoulder straps? Only 3 Steps to Adjust the Drawstring Step 1: Loosen the drawstringsStep 2: Adjust the two buckles to the proper position (two buckle should be in same position).Step 3: Hold the string above the buckle tightly and pull hard to the end Notes: every time adjust the straps, always need to loosen the strings firstly. Risefit Drawstring Backpack Description Capacity:17" X 13" X 6" Material: Nylon Color: 8 colors of the same style are available Note: The Drawstring Bags should not be directly exposed to rain Washing & Maintenance Instruction Please do not wash it with bleach.Clean it with wet cloth if necessary.Please do not iron it.Air dry. STYLISH BAG Best Gift Available in many vibrant colors and can be used by people in different ages, great for travle, gym, or hiking. It's also a great sports gift for sport fans.Also a perfect gift for friends and family members. Light and Casual Our string sports bags is very light, you can carry it easily and make you stylish. When you travel, go to work or go shopping, fitness exercise, you can enjoy the happiness with our gym bag. Water Resistant Fabric Made of high quality polyester fabric with advanced technology. Actually water resistant, resist water, but are not impermeable to water entirely. Hidden Side Pocket There is a small side pocket that is not easy to find. Maybe you can put some valuables like cards or cell phone, but it's better to carry your valuables with you! Four Inside Pocket 1: One pocket with zipper to store cards, keys, etc. 2&3: Two small pockets, about three fingers can fit, easy to get things. 4: No closure at the bottom, can put water bottle or folding umbrella. Star Sky Purple Glacier Blue Light Blue Regular Black Coral Pink Buying Options Buying Options Buying Options Buying Options Buying Options Customer Reviews 4.6 out of 5 stars 3,614 4.6 out of 5 stars 730 4.6 out of 5 stars 3,614 4.4 out of 5 stars 212 4.6 out of 5 stars 3,614 Size 16.5*5.9*12.6 in 15.7*12.6 in 17.3*5.1*15.7 in 16.9*5.9*15.7 in 16.5*7.8*12.7 in Water Resistant ✓ ✓ ✓ ✓ ✓ Wet Compartment no data ✓ no data no data ✓ Outer Pocket ✓ no data ✓ ✓ no data Pocket Number 7 3 4 7 4