Our double-wall insulated mug prevents condensation from collecting, maintains a comfortable grip and prevents a water ring from forming on the surface, made of high quality plastic that stands up to daily use, simple to clean, dishwasher safe on the top rack, easy to clean after each use, BPA free and safe with your health in mind, no harmful chemicals, reusable straw and a sealable lid to prevent spills when out and about, can be customized with patterns that, QTY for 300 pcs and over by the ocean.