AmazonCommercial Foam Kneeling Pad, 11.5 in, Black, 3 pcs just for $15.0 from amazon
Amazon has the 3-Pack AmazonCommercial 23 L x 11.5 W x 1.5H Foam Kneeling Pad (Black; P2-223-2) for $15 with free shipping on $25+ or with Prime.
Amazon Prime is a subscription service that gives members access to a variety of perks. Such include expedited 1-2 day shipping, as well as other Amazon-specific perks. Get a free 30 day trial of Amazon Prime here. A prime trial is also free with Amazon Family (giving you up to 20% off diapers among other benefits) or Amazon Student (6-month trial). EBT/Medicaid Cardholders can pay $5.99/month for a Prime Membership.