Stiff pink Polystyrene sheets excellent for fabrication of medium and thick base plates and custom trays. High quality 5" x 5" sheet thermoplastic materials for creating a wide range of vacuum formed appliances and trays. Pure grade resin sheets are latex-free and uniform in size, cut and thickness for improved performance. Resist bubbling, crazing and fracturing to promote superior adaptations every time. Clear soft Ethyl Vinyl Acetate (EVA) sheets designed to bond together for build-up and lamination of custom mouthguards.