Our small but mighty customer service team has years of cushion and foam expertise to help you measure, select foam or fabrics, or to provide guidance for any order.
Monday–Friday: 9am–5pm PacificClosed Saturday, Sunday
Or, set up a personal design/measuring appointment at a time that works for you!
Dimensions will be rounded to the nearest 1/8"3 mm1/8" (3 mm).
Find out how to properly measure and order your foam.
Enter dimensions in the boxes, then click the “Show Prices” button.
This shape is an Equilateral Trapezoid. The Back and Front are parallel, and the left and right sides are of equal length. If your cushion more closely resembles one of the similar shapes below, please click on it to use that shape instead:
The Foam Store of Marin
Foam Learning Center
Product Certifications & Safety Data Sheets
Foam and Your Health