About This Rainbow Finish - Rainbow plating, this tumbler is sure to stand out. The vibrant, long-lasting colors are created through a unique laser engraving process Laser Engrave - The 20oz rainbow plated skinny tumblers are suitable make rainbow laser pattern, allows you to design unique patterns for your friends and family, take it as a gift Tumbler Set - You will receive 8 pieces Blank stainless steel skinny tumblers 16 stainless steel straws and 16 straw brush in Rainbow Plated - Powder Coat Material - These double vacuum coffee cup is made of stainless steel, Double wall and vacuum sealed. Slim and Sleek Design - The skinny, ergonomic design fits comfortably in your hand and most car cup holders Overview Brand : YOUKE OLA Color : Black Special Feature : Double Wall Style : Modern Recommended Uses For Product : Home, Travel Material Stainless Steel : Capacity 20 Fluid Ounces : Material Stainless Steel : Capacity 20 Fluid Ounces