HOW TO MAKE THE COMPRESSION HAPPEN? - There Is a Extra Zipper Outside Of Our Compression Packing Cubes Which Can Be Zipped Up To Flatten The Cubes And Save The Space As Far As Possible. It Just Works Like a Vacuum Sealer. You Just Need To : 1) Fold Your Clothes and Quilt, And Flatten Them. 2)Pack Clothes In The Cubes And Zip The Normal Zipper. 3)Put A Finger On The Back Of The Zipper In The Space When Compressing The Packing Cubes In Case The Zipper Get Stuck In Fabric. Easily compresses up to 40% of space without the need for a vacuum extractor, saving a tremendous amount of extra space in your room and suitcase. Feature: 1. Declutter & Save Space: Perfect for storing and organizing winter blanket, duvets, king and queen size comforters, sweater, quilts, sheets, baby items etc; Hassle free no vacuum storage that has a big capacity though still compact; Safe to store in Attic or Basement. 2. Premium upgrade Material: Smooth&Soft Satin Fabric Protects Your Clothes from Wrinkles and Stains.High Performance Feature Makes Sure this Packing Cubes can Bear High Density Wear and Tear during Traveling. Water-Repellent Feature Nicely Protect Your Clothes from Spill or Leaks.Easily Store Your Clothes and Protect Your Clothes from Stains and Wrinkles. 3. Value For Money: Unlike other bags that rip easily, these durable bags are made to last for years to come; the handles hold substantial weight and zipper is smooth & sturdy; Theyâ€re also lightweight, foldable and portable so great for moving, rentals, and college dorms. 4. Reinforced Handle: The storage organizer's handles are reinforced with two additional layers of thick fabric to double the load-bearing capacity. These storage bags are easy to carry and transport when you move or load heavy items. Material: Satin Size: 54x42x30cm, 54x42x60cm Package Includes: 1x quilt storage bag