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