Wide Mouth for Easy Clean - 8.2cm mug mouth, easy to add ice cube and clean. 0.35L capacity meet your daily hydration needs. Ideal for coffee, tea, juice, milk, beer, ect. .High Quality Material - Insulated thermal cup is crafted from 304 stainless steel and food grade silicone seal. Rugged construction and rustproof. 100% BPA free for health. Unbreakable and safe for children and adults, teens. .Insulation: It is designed to make sure your hot and cold drinks stay at the perfect temperature for 68 hours. The double vacuum stainless steel insulation ensures that temperatures are maintained. .Unbreakable Stainless Steel Wine Glasses, Take Them Anywhere: Lifelong use of this reusable, ecofriendly, shatterproof insulated wine tumbler cup, unbreakable design is perfect for travel. .Professional Customer Service - No risk, unconditionally new replacement or refund for any quality problem with 30 Days. Life-time technical support. Please feel free to contact us in time via E-MAIL.