These packing cubes make efficiently organizing and packing your travel luggage a breeze! See images above. They come in 4 sizes: Large (17.5 x 12.75 x 3.25 in) for trousers, sweaters, towels & light jackets, Medium (13.75 x 9.75 x 3 in) for shirts, shorts, blouses & documents & Slim (9 x 3.75 x 3 in) for shoe bags, underwear, gym gear, cables, adaptors & toiletries. The cubes feature rip stop nylon construction, heavy-duty zippers and double-stitched mesh tops. You'll pack in less time, be better organized and find the task of navigating security checks at airports faster with these durable, handy travel packing cubes.