Cupture Double Wall Insulated Plastic Mason Jar Tumbler Mug with Striped Straws - 20 oz, 3 Pack Heavy duty double wall insulation with solid one piece outer body and carrying handle. Threaded Lid, with Silicone Gasket Seal, and Reusable Straw Included. BPA Free Strong & Durable Plastic (Acrylic) | Rinse & Reuse | Large Opening for Easy Filling and Cleaning. Matching color lid with striped straw, color-coded for each family member Safer for use around the swimming pool, at the beach, and in the hands of young ones.