Specially designed western blot boxes to fit blots of any size, including whole blots, half blots, and strips. The blot boxes are constructed of black, durable, polystyrene plastic for light sensitive material, with a flat, smooth inner surface and hinged lids to reduce evaporation. The 90⁰ edges create optimal membrane movement for more efficient incubation. With multiple sizes available, you can use a properly sized blot box for your needs to reduce the volume of antibodies required. 1pk