Amazon offers the AmazonBasics 4-Piece Packing Cube Set (2-Med and 2-Large) for a low $9.15 plus Free Shipping over $35 or with Amazon Prime.

• Over 340 reviews with a 4.6/5 star rating on Amazon
• Helps organize your suitcase and also makes items easier to find
• Mesh top panel for identification of products and ventilation
• Constructed of mesh material & nylon that won't damage delicate fabrics
• 2x Medium cubes (13.75" x 9.75" x 3"), 2x Large (17.5" x 12.75" x 3.25")