The small wedges are made of slip resistant textile filled with polystyrene beads. The four eyelets make them easy to assemble on an improvised prop. You may now position your camera in the most difficult conditions. Technical Data: Weight 150g. Volume about 1 liter. Dimensions: Width 25cm, Triangle: 25x25x10cm. Gray polyester coated with flame retardant polyurethane. Polystyrene beads treated M1 (Flame retardant).