As with all Thinkbaby and Thinksport products, we apply our strict material standards to everything that we do. So no phthalates, BPA, BPS, PET, lead, melamine, nitrosamines or biologically harmful chemicals. Materials: 304 Stainless steel (18/8) for both the inner plate and fork and spoon. Polypropylene for outer casing of GO2, GO2 Lid, and Fork/Spoon handle. Silicone rings built into the lid to seal the compartments. Size: GO2 Container 9.5 inches wide 2.5 inches high 6 inches long. Fork and spoon 6.5 inches