Custom Epoxy Tumblers › Custom 35 oz (EPOXY) Image 1 of 1 Custom 35 oz (EPOXY) $50.00 35 oz stainless steel. Beverages stay cold/hot for hours. Open/close lid and reusable straw included. Quantity: Add To Cart Added! 35 oz stainless steel. Beverages stay cold/hot for hours. Open/close lid and reusable straw included.