These VTP161 - Verano Tumblers are made of recyclable PET plastic and feature double wall insulation and snap-on clear lid. The Versa lid's slider seal helps prevent spills and comes in 6 color options. They are HR4040-CPSIA certified and CA prop 65 compliant. Imprint your school or sponsor information on one or more sides. Hand wash only. Do not microwave. Made in the USA.