word request - What is the brown cardboard covering coffee cups

I recently got into an awkward situation when I wasn't able to ask for a 'warmth protector thingy' in Starbucks, and wasn't accurately able to describe it, so could someone tell me what you would c

FMP Brands [200 Pack] Kraft Coffee Cup Sleeves - Brown Disposable Corrugated Cardboard Paper Jacket, Holds Hot and Cold Drinks, Espresso Coffee Milk Tea Beverage Insulator and Hand Protection : Health

FMP Brands [100 Pack] Kraft Coffee Cup Sleeves - Brown Disposable Corrugated Cardboard Paper Jacket, Holds Hot and Cold Drinks, Espresso Coffee Milk Tea Beverage Insulator and Hand Protection : Health

Custom Mug Personalized Coffee Mug - Design Custom Cup with Custom Photo Text and Logo Novelty Customized Gifts for Men and Women Tea Cup Taza Personalizada 11oz Both Sides Custom Coffee

MUNDANE MYSTERIES: What is the real name for the cardboard sleeve on coffee cups?

DIMENSIONS: 5 inches top width x 4.5 inches bottom width x 2.5 inches height, A perfect size of corrugated disposable paper cup sleeves for a clean

FMP Brands [200 Pack] Kraft Coffee Cup Sleeves - Brown Disposable Corrugated Cardboard Paper Jacket, Holds Hot and Cold Drinks, Espresso Coffee Milk

Printed Coffee Cup Sleeves, Recyclable, 30 Count Natural Cardboard Sleeve printed with Black Font. Made in the USA! - Baby Brewing : Home & Kitchen

Ya Basic Mug the Good Place Sassy Words

Premium Vector Paper coffee cups set. white paper cups, blank brown container with lid for latte mocha cappuccino drinks realistic 3d mockups

MADE TO ORDER Aged Green Mug 16oz, Ceramic, Pottery, Handmade, Coffeemug, Coffee Mug Cup, Handmademug, Potterymug, Sturdy Big Large Mug

164+ Thousand Cup Print Design Royalty-Free Images, Stock Photos & Pictures