eBay with eBags has the 5-Piece eBags Ultralight Packing Cubes Super Packer Set (multiple colors) for $30 – 20% off with coupon code C20PRESDAY [Exp 2/21; requires Paypal] = $24 with free shipping.
Link: http://www.ebay.com/itm/182026584849?rm
Very good reviews from Amazon: https://www.amazon.com/exec/obido…B01AH2S