80% Space Saver Bags: save up to 80% of your storage space! Never worry about suitcase or wardrobe not having enough space! User-friendly Compression Bags: Besides the hand pump included, these vacuum compression bags can be applied to any household vacuum cleaner, make the compression convenient and easy! 1, Please follow our instructions for compression, if you operate properly, we can ensure that the bags will not re-expansion. 2, Our Hibag bags can be applied to any household vacuum cleaner. Double Security Zippered Storage Bags: The space saver storage bags come with a stay-on zip & double-colors zipper, provides DOUBLE SECURITY for air isolation & safe for long term storage. Multi Volume Storage Bags: This space saver bags set comes with 4 different sized vacuum bags, sufficient for most travel and home storage situations. Compression Bags Characteristics: Package Size: 12.60*9.45*1.77 inch; Weight:1.5 bl Material: quality BPA-free PA + PE, passing FDA & Reach certificates, POP & PAH tests Vacuum Compression Bag Thickness: 0.09mm Roll Up Bags Thickness:0.06mm Package included: 2x Small size vacuum compression bags, 15.7? x 23.5? 6x Medium size space saver bags, 19.5? x 27.5? 5x Large size travel compression bags, 21.6? x 33.5? 5x Jumbo size vacuum compression bags, 27.5''X39.35? 2x Jumbo plus size vacuum compression bags, 35.45''X47.25? 2x BONUS roll up travel bags, 15? x 21? 1x BONUS hand pump Lifetime Warranty! If in any case these bags leak, please contact us and we?ll offer you free replacements.