vacuum compressed bag hand series are absolutely unique from other similar products at home, NINJA MAGIC is of superb quality as well as the typical Japanese make-up. Features:1. The design and moulding technology for the new valve were developed in Japan (Taiyo Chemicals Co.,Ltd.).2. The bag's single multi-purpose valve offers a revolutionary method of compression--rolling by hand,squeezing by hand and suction using a vacuum cleaner.3. The quality of valve complies with strict Japanese standards and is highly reliable.Function:1. Triple your storage space.2. Store quilts, blankets, all kinds of clothes, cushions, and pillows, and files, family albums, video Discs, and silver jewelry-files, family albums, Video Discs, etc.3. Reusable. And protects against bugs., moths, dirt. Mildew and odors, anti-dust, discoloration prevention and moisture proof as far as the clothes and mattress storage is concerned.4. Very esy to vacuum the air with convenience and the storage period covers more than 6 months, require only a common household vacuum cleaner to create a vacuum.5. Absolutely the revolutionary bags are necessary for a modern family.Packing: Each compressed bag be packed with an OPPbag,we can printing any logo or design as you like.