Vacuum Insulation Technology: Double wall vacuum and three-layer mug bottom design was made it excellent in heat preservation, hot for up to at least 12 hours+, ice cold up to 24 hours+.
100% 304 18/8 Stainless Steel: Made with food grade 100% 18/8 reusable stainless steel, so they're puncture-and rust-resistant, make the mug safe enough for direct contact with food and water. No metal taste, 100% BPA FREE, Non-Toxic & Safe.
Excellent Leak Proof & Seal: With a widened ( BPA-free) and thickened seal ring lid make it spill-proof, leak proof and seal. make it excellent in heat preservation. Drink hole on the top for e sipping. Straw friendly.
Superior Pearlized Coated Finish: Non fading & long-Lasting Powder coating/pattern keep its stay colorful finish and look more elegant, especially. Sweat proof, Dishwasher safe, suitable for car cup holders and tumbler handle.
100% Money Back Guarantee: Yoelike every tumbler was tested to guarantee its high vacuum degree. Full refund or replacement is available if you are not satisfied with our tumbler cup, you will get the refund quickly. Please contact us on Amazon if you have any question. Set of 8: 1*30oz Black tumbler; 2*Splash Proof Lids; 2*stainless steel straw; 2*Straws Silicone Tips; 1*straw cleaning brush.
