These ebags make traveling more convenient in many ways...

sizes: LxWxH inches  small- 11x6.5x2.5, medium- 14x10x2.5, large- 17.75x13x2.5
storage: easily separate clean and dirty clothes or separate clothing types, more efficiently utilize luggage space, use different colors for differentiation
travel: if getting bags searched in the airport or customs makes reorganizing much quicker and easier allowing items to remain nice and tidy, don't necessarily have to unpack and use the drawers in hotels
when not in use: nest together and lay flatly storing nicely

We love ours and use them each time we travel.  We have purchased many as gifts and been asked details of where to purchase more.  They come highly recommended from us for anyone who appreciates a hassle-free packing experience.