<b>Why choose THILY Stemless Wine Glass Set?</b><br><br> The wine tumbler is made of <b>food-grade 18/8 stainless steel</b> metal. <b>Triple Insulation technology,</b> keeps your wine <b>cold up to 9 hours</b> and your Irish coffee <b>hot up to 3 hours</b><br><br> The spill proof sliding lid is made from premium clear raw material, <b>BPA free, spill proof and splash resistant</b>. no more worry about the spill of water or drinks, keep drinks cold or hot longer than normal lid<br><br> The stainless steel straw is made of top food grade 304 stainless steel which is BPA free, plastic free, no metal aftertaste, <b>reusable and environmentally friendly</b>. Use the stainless steel straw - replacing plastic straws <br><br> The silicone bottom is designed to <b>prevent it from sliding and reduce the noise</b>, prevents the bottom of your wine tumbler from dings, dents, and scratches<br><br> THILY wine tumbler is <b>reusable and eco-friendly</b>, reducing waste in our landfills<br> Pursuing product quality and working towards environmental protection has long been the brand concept of THILY<br> Empowering you to be a positive impact on the people around you<br><br> <b>Package Includes:</b><br> 1 x Insulated Wine Glass<br> 1 x Spill Proof Lids<br> 1 x Stainless Steel Reusable Straw<br> <br> <b>Warm tips:</b><br> The lid of THILY tumbler is designed to be splash-proof and fit securely on the top, so you don’t have to worry about any major spills. However, it’s not designed to be completely leak-proof<br> Reattach the outer rubber ring will help reduce the spill<br> The slider is removable<br><br> Enjoy a nice drink to wind down at sunset while sitting by the lake or the pool with friends<br>