EASY TO USE! Compression packing cubes help you with packaging your clothes for upcoming trips by compressing the air out of them. These are not your typical vacuum bags-these expandable cubes use a two zipper system to help eliminate the extra bulk when packing your luggage. The zippers literally compress your clothes together and eliminate wasted space. Skip the extra fees of a checked bag- eliminate the bulk and use a carryon instead! LUGGAGE ORGANIZER! Compression packing bags are a packing essential for travel-especially useful as a backpack, luggage and suitcase organizer. Keep different outfits in separate compression cubes and always be ready for what’s next! Easily pack away clothing like raincoats/heavier jackets that are not used as often. Use empty cubes to pack dirty laundry in and keep your suitcase or backpack organized. TOUGHER THAN THE OTHER GUYS! Our ripstop Polyurethane fabric stands up to nonstop travel. It is ultra lightweight and durable and as well as being more reliable than even nylon alternatives for packing cubes. Additionally, polyurethane fabric is water resistant to help keep moisture out of your clothes wherever they’re packed. Zipper on the packing cubes all have reinforced zipper stops. Zippers used for expanding/compressing function of bags have been reinforced with double stitching as well. HOW MUCH DOES THIS SET HOLD? Each set contains a different assortment of packing cubes. Large bag holds a week worth of shirts/ medium holds a week worth of underwear/socks. Example: Large holds rainjacket, zip hoodie, Longsleeve tshirt, and a cardigan. Small will hold 5 womens size medium tshirts. Large Dimensions Compressed size: 14x10x1in Expanded Size : 14x10x4in Small Dimensions Zipped/Compressed size 10x7x1in Expanded Size: 10x7x4in Additional bag sizes shown in picture gallery. SATISFACTION GUARANTEED! We make the best packing cubes, luggage organizers, and travel accessories possible at a fraction the cost of the competition. If you're not happy with your purchase, we'll replace or refund you immediately! We stand behind the fact these are the perfect travel accessories for your next hike, cruise, RV, camping trip or backpacking trip around the world. The search for the perfect compression packing cubes set ends here. TRIPPED Travel Gear compression luggage cubes are the perfect blend of high quality and affordable to make this the ultimate travel accessory- whether you're looking for a backpacking organizer or a way to organize your carryon suitcase. The bags are made of water resistant ripstop nylon that is incredibly strong but lightweight. No matter what you're packing for, pack it in these cubes to compress the clothing and eliminate wasted space in your carry on. Never heard of us over at TRIPPED Travel Gear? We started this company after living out of backpacks for a year straight. We're still on the road right now in fact- constantly tweaking some of our travel gear while adding new products to the lineup. The bags are made of water resistant ripstop nylon that is incredibly strong but also extremely lightweight. Call them whatever you want- compression packaging cube, luggage packing bags, bolso de viaje, compression sacks, travel pouches, etc. If you're looking for the best space saving luggage organizers you've found it. Best of all-they're backed by our 100% satisfaction guarantee. If your bags should rip, fail or be destroyed by wild monkeys, we'll get you a replacement set immediately.