Seat Foam compatible with Motorcycle Tourtecs M 66x34x8cm : Amazon.co.uk: Automotive
Upholstery Foam
Copper Top High Density Upholstery Foam Cushion Seat Pad Sofa Replacement Any Size UK made (12" X 12" X 1") : Amazon.co.uk: Home & Kitchen
Merlin Two Part Foam Seat Making Kit from Merlin Motorsport
YAMAHA RD250/350 YDS-7 -YR-5 SEAT FOAM REPLACEMENT(UK MODEL BIKE ONLY!) | eBay
Since Custom Foam Seat Cushion for Sofa Bench, Cut to Size Foam Mattress Pad, Indoor/Outdoor Furniture Seat Foam Replacement, High Density Foam for Sagging Seat : Amazon.co.uk: Garden
A16 Seat Foam and Bump Stop for Motorcycle Race Seats - A16