SAFE AND DURABLE MATERIAL: Made of high quality PA+PE materials, these bags are flexible, durable and suitable for multiple uses without losing their effectiveness LONG TERM HERMETIC PROTECTION: The unique double seal design and triple seal valve ensure complete air drainage and prevent dust, dirt and moisture from entering, keeping your clothes in perfect condition EASY TO USE: Compatible with standard vacuum cleaners and the included electric pump. Simply put the items in the bag, zip the zipper, remove the air with a standard vacuum cleaner or electric pump and you're done VERSATILE VACUUM STORAGE - 2 Jumbo Bags (100 x 80 cm), 3 Large Bags (80 x 60 cm), 3 Medium Bags (70 x 50 cm), Includes Electric Pump. Its 3 different sizes are ideal for duvets, blankets, pillows, sweaters, soft toys, towels and travel accessories