BEST QUALITY: Specially contracted with a USA manufacturer to provide the most dense and highest quality plastic container they have ever made. CONVENIENT: Patented SureLock seal clicks into a close with complete leak resistance to keep your contents inside. SAFE: Food grade plastics that are BPA free and safe to microwave, freeze, and use in the dishwasher (top shelf) over and over. SECURE PACKAGING: Ships in a box that then gets put into another box - we go that extra step to make sure you receive your product in one piece and ready to use.