The Vevor sublimation tumbler set includes 16 straight 20 oz stainless steel tumblers designed for custom heat transfer projects and personalized gifts. Each tumbler features a white sublimation coating and double-wall construction to help maintain drink temperature. The set includes useful accessories like lids, straws, brushes, bases, shrink wrap, gift boxes, and ribbons for added convenience. These tumblers are suitable for use with either a sublimation oven or a heat press machine. Their food-grade stainless steel construction offers durability for long-term everyday use.