“PACKMATE Travel Storage Vacuum Bag. Each pack contains: 1 Large 2 Medium 1 Small Sizes are as follows: large: 50cm x 70cm Medium: 40cm x 50cm Small: 25cm x 38cm. Store away your duvets, bed sheets, towels, blankets, bulky clothes and more. Industrial strength material – Will not tear, moths, moisture, odour and dust are locked out. Items will return to their original shape when removed. Volume can be reduced by up to 75% to triple your storage space. Compresses to a flat bag which can be easily stored in a drawer, cupboard or under the bed. With a one way valve system and any standard vacuum cleaner or air pump can be used.