Try to find a reliable wholesale tumbler supplier? KingStar BPA free tumblers can be customized with your logo, text, or monogram, available in a variety of styles, sizes, and colors. KingStar personalized stainless steel mugs and tumbler cups are stylish, durable, reusable, sweat free, ECO friendly and sustainable. Custom tumbler cup with a your logo is excellent for business gift and promotional products for events. All KingStar products are made of food-grade 18/8 stainless steel, lead free and toxic free. OEM and ODM are welcome.