Brontosourus Mirror Set, This dino is in five large pieces, each one to be investigated by small paleotologists high and low! Laser cut for smooth edges. Low profile 1.5mm petg plastics with an under surface mirrorisation, means that the mirror will not scratch off, long lif in use. Supplied pre-drilled. Mounting screws not supplied. Pieces light enough to mount with strong double sided tape. 120cm by 230cm