XPE (cross linked polyethylene) is a dense closed cell foam that will not easily compress over time. Purchase this material by the yard now at Seattle Fabrics.
Foldable Folding Outdoor Camping Mat Seat Foam XPE Cushion Portable Waterproof Chair Beach Picnic Mat Seat Hiking Activities Pad - AliExpress
12 ft. x 6 ft. XPE Foam Floating Pad Portable Durable Water Blanket with Storage Straps
XPE Foam CYG TEFA Cross-linked PE Foam Leading brand
XPE FOAM - Pro-Care Packaging
Closed Cell Foam Roll - FoamOnline
Have fun all summer long with this premium floating mat. Whether you have it tethered behind the boat, tethered to a dock, or just anchored down, this
12.8’ x 4.8’ 3 Layer XPE Foam Pool Floating Mat
AceCamp Polyester 3940 Portable Lightweight Mini Waterproof Folding Mat, Foam Sitting Pad for Outdoor Activities, Foldable Kneeling and Seat Cushion for Comfort, Red : Sports & Outdoors
PVC/NBR/EPDM/CR/SBR /XPE/IXPE/PE/EVA foam closed cell foam rubber foam - Okorder.com
Polyethylene Closed Cell Foam Shock Pad for Artificial Grass - China Shock Pad and XPE Foam price
Amico Blue Foldable Folding Foam Waterproof Chair Cushion Seat Pads
4PCS Outdoor Foldable Foam Seat Mat, TSV Folding Sitting Cushion Pads XPE Waterproof Moisture Proof Lightweight Portable Design Fit for Picnic, Camping, Hiking, Backpacking, Mountaineering, Concert