Amazon.com offers the Zwipes Microfiber Cleaning Cloths 36-Pack for $22.75. Add two packs to your cart (72 cloths total) and the price falls to $35 in-cart. With free shipping, that's $17 off and the lowest total price we could find for these cloths in this quantity. These machine-washable, automotive cleaning cloths measure 12" x 16", purportedly absorb eight times their own weight, and feature a non-abrasive fabric.