attention:tumbler for sublimation !!!20oz Stainless Steel skinny tumbler with vacuum insulation technology and BPA free Slider Lid. Great and Pretty for all kind of occasions and suitable use for all ages. This slim tumbler is powder coated which gives you more solid grip when holding your beverage. SAFE AND DURABLE: The insulated travel tumbler is made from high quality BPA free food grade stainless steel. Lead free and durable, does not rust or leave a bad metallic taste in the mouth. Let you enjoy a delicious drink.