21oz Stainless Steel Straight Tumbler With Lid and Straw, with High quality kitchen-grade Stainless Steel inside layer, Double-wall stainless steel with vacuum seal construction, Keeps drinks/beverages cold or hot up to 12 hours. Threadless, transparent lid easily slides open and closed and helps prevent against spills. Non-slip bottom, non-toxic, No metal taste or rust. Come with stainless steel strawss and straw brush, color straw is opitonal. If you have new style or design for cups, we can coopearte alos, welcome your calling or email. Free Shipping, Customized Logo.