- 40% lighter than other 55L packs - Made from Recycled plastic bottles - Opens fully like a suitcase for easy access - Hidden compartments for safety - Durable + high quality - Built-in rain-cover + safety whistle - Adjustable back-frame + front strap - Breathable mesh back-frame - Padded shoulder straps - Eco-Friendly & Sustainable - 100% Carbon Neutral shipping - Global Recycled Standard Certified - Free-spirited Palm tree design More info at:https://sundriftus.com/products/panglao-backpack Used one time only for a 3-week trip abroad and it fit nicely as a carry-on with no issues. Great condition, no flaws.