Saf-Cube™ Containers for chemical storage and lab safety are made of polystyrene foam and specifically designed to accept 2.5-L and 500-mL acid bottles.
Polystyrene foam (EPS) containers specifically designed to accept 2.5-L and 500-mL acid bottles. Cubes have tape channel molded into the sides to accept reinforced tape needed to secure top and bottom halves.