CUP FRIENDLY: The tapered shape with handle makes it the ideal cup -- take us with you wherever you go. Leak Proof: With straw lid to prevent spills Double Insulation: Keep drinks hot or cold for hours Durable: Made of high quality 18/8 stainless steel Limited Lifetime Warranty and Patent Pending Simple Modern Trek tumblers are double wall vacuum insulated, Keep your drinks hot or cold for hours. The mug features an ergonomic handle for an aesthetic design and comfortable wearing. It comes with a straw lid and 2 straws so you can enjoy your favorite beverage on the go. The straw cap features a four-way thread for 4 different straw placements to suit your drinker's preference. Trek is made of 18/8 stainless steel, fits standard cup s, and comes in a variety of colors, you can get an emotional support water bottle for any outfit or activity during the day - bring us.