The polypropylene coplin jar is unbreakable and can be used for routine H&E stain, special stain and IHC counterstain. It is also ideal for use on antigen retrieval protocol with steaming, microwave or autoclave method. It has capacity of 5 standard slides 3"x1" (75x25mm) or 10 slides when positioned back to back. The interior is grooved to hold the slides in vertical position. Domed and shallow thread cap provides protection to the slides.