This handy and stylish cooler backpack will be a smart friend for your summer picnic or any outing! Key Features 1. Convenient Easy to carry backpack type. Can be worn in a cross bag style too. Adjustable shoulder straps. actual wearing photos 2. Useful Polyurethane insulated inside - keeps food or beverages cool and fresh. Durable, waterproof, easy clean up Toilon interior. For the maximum cooling effects, use with ice packs. 1 DIY ice pack included - Pour the water, and it’ll turn into a gel type ice pack. Versatile back zip pocket and mesh side pocket - can store various miscellaneous items. 3. Generous capacity - about 30~35 liters. 34 x 17 x 43cm(13.3 x 6.6 x 16.9") insulated inside of cooler bag 4. Color - Green 5. For smaller(20L, 3L) cooler backpack, check our store. For more great items, check out our store! We have Ice Vest, Ice Bandana, and many more hard to find cooling gears. Payment We accept Paypal, Western Union, Wire Transfer. Shipping 1. Buyers outside US MUST contact us first for postage and availability. 2. We'll ship this item within 3~4 business days after receiving payment. 3. You can choose one of the following shipping methods: 1) Registered Air Mail - Usually takes 10~20 BUSINESS days after we ship. 2) Expedited Air Mail(EMS) - Usually takes 5~8 BUSINESS days after we ship. 4. Actual shipping time entirely depends on your country's Customs and postal service. They can hold the item and delay its delivery for SEVERAL months. 5. Buyers are responsible for Customs charges or any taxes. We do not mark an item as a 'Gift' or undervalue its price. Tracking 1. After shipment we email you RR number(Registered Air Mail) or EM number(EMS) for the tracking. 1) Registered Air Mail - Online tracking is NOT available. MUST allow 10 BUSINESS days after it's shipped and CALL your Post Office. 2) Expedited Air Mail(EMS) - Online tracking is available at USPS site. 2. Your item is coming from across the Pacific Ocean. Please allow the above minimum shipping time before you contact us.