Wholesale Big top shed 30cm*30cm Sublimation Photo Slate 1. material: rock 2. shape: rectangle with top shed Sublimation Photo Slate Big top shed 30cm plus 30cm photo slate Photo Slate is a dye-sublimation substrate specifically designed to frame and enhance full color photographs in a unique and natural presentation. With an earthly elegance of finely machined slate, each piece is handcrafted ...