Amazon has this Brica Deluxe Kick Mats, 2 Count
For $5.09 as an add on item. Was $9.99
•Extra large size for maximum coverage; 10% larger than our previous version
•Adjustable upper and lower buckle attachments
•Fits most minivan, SUV and sedan seats
•Elastic strap securely fastens kick mats to the seat back for a universal fit with a tailored look
•Grime guard fabric protects against moisture and dirt