The Easy People 10 Pack Skateboard Blank Deck comes in two grades, the SB-1 and SB-2. The SB-1 is a semi-pro model and is best for a beginner to intermediate rider. The SB-2 is a pro model and is great for intermediate to advanced riders. The SB-1 is made of 7-ply US Maple veneers for lightness and flexibility. The SB-2 is made with 7 ply Canadian Maple veneers/carbon fiber formula for strength, lightness, and flexibility. They come in color stains red, blue, black, purple, and green however those are only in the SB-1 models. The natural stains come in 4 size options 7.5″, 7.75″, 8.0″, and 8.25″, for both the SB-1 and SB-2. The color stain is only available in 3 size options 7.75″, 8.0″, and 8.25″. These 10 Pack Skateboard blank Decks are awesome.