P&aacute;go 30 oz Premium Grade Stainless Steel Tumbler, Double Wall Vacuum Insulated The Best Stainless Steel Tumbler on the market at a fraction of the cost of competitors. 30 ounce Double Wall Vacuum Insulated 18/8 Kitchen Grade Stainless Steel 36 hour COLD rating / 6 hour HOT rating - Vacuum Seal keeps the outside of the cup at a comfortable temperature and sweat free SATISFACTION GUARANTEED - If you are unhappy with any of our products for any reason, contact us for a replacement or a full refund. Straw Friendly Lid - BPA Free and meets all FDA Standards