1.Tumbler Cup: 8.5 OZ volume;18/8 stainless steel strong stainless steel construction;BPA Free,Safe,Solid,Unbreakable,Reusable and Eco-friendly.
2.Double-wall vacuum insulation keeps beverages cold or piping hot longer. Perfect for kids, children and Toddlers.
3.Slider Lid: Made with top food grade crystal clear plastic - It's eco-friendly, non-toxic materials, BPA free and straw friendly.
4.Silicone Straw: SAFE for All Ages Due to Soft, Non Teeth Chipping Silicone Construction. Soft to Bite Down On, But Durable Enough to Resist Tears.