The Ekster compression bags are great. First off, you have to remember that they save space, not weight. Each bag easily packs enough clothing for a trip of up to a week(plus), depending on the climate. Clothes come out barely wrinkled, if at all. I’ve used them in both full and carry-on suitcases. They also have become very useful in my backpack for weekend get-aways. The compact vacuum pump makes these better than a lot of compression bags on the market, bar none. But them. Use them. Enjoy traveling.