Hard & Soft Wood
Baltic Birch Plywood
Felt
Cotton
Wool
Hemp
Veg Tanned Leather
Suede
100% Natural Rubber
Silk
Acrylic
Plexiglass
Delrin (POM, acetal)
Mylar
Polyester
Nylon
PETG
100% Linoleum
EPM
Yupo
Genuine Leather
Hardboard (like MDF)
PVC (Cintra)
Lexan (Polycarbonate)
Styrene (Most types)
Polypropylene (PP)
Gatorboard (Styrene)
Neoprene
Vinyl
Fiberglass
Carbon Fiber
Moleskine Covers
Synthetic Leathers