KEEPS YOUR DRINK HOT & COLD - Neon Kactus double walled straw tumblers are made from a high quality, PP5 construction. Engineered with double walled technology to keep the outside wall cool to the touch and your drink inside the perfect temperature ECO FRIENDLY – Neon Kactus double walled straw tumblers use only fully recyclable materials and are certified to be free from all harmful chemicals and toxins. Our uniquely designed anti-slip sleeve is made from food grade silicone SPLASH-PROOF AND EASY TO CLEAN - Neon Kactus double walled straw tumblers come with a splash-proof, screw top lid and drinking straw, making them your ideal drinking companion SILKY SMOOTH MATTE FINISH - Our stylish tumblers come in a range of pastel colours and are finished with a "soft to touch" grip making your Neon Kactus Tumbler LOOKS GOOD & DOES GOOD!