ISOTECTM – Thermos Lunch kits provides temperature retention performance through IsoTec insulation using a multi-layered insulation structure consisting of a100% PVC free with PEVA linings – *PEVA (polyethylene vinyl acetate) is a non-chlorinated vinyl and is commonly used as a substitute for PVC(polyvinyl chloride). PVC is a known carcinogen and should generally be avoided wherever possible. Comfortable, padded carrying handle. Detailed screen printed graphics and uniquely shaped. Zippered opening for easy access design – sweet treats cup cake.