QTE 100: Fold, lock and draw. These crime scene markers are preprinted with EVIDENCE on two sides and plain on two sides. Each set includes two black permanent markers, one fine point and one large point, for writing your own instructions. Made of heavy-duty white corrugated cardboard with an 8 (20.3cm) square base and 10 (25.4cm) height. Sides lock together to form a pyramid. Packaged flat for easy storage.