Double Wall Insulation: Keeps beverages hot or cold for hours.
Leakproof: Twist-on lid includes handle loop for easy carrying. Spout pops open for easy drinking access. Compatible with Simple Modern Classic Tumbler vessels. 
Durable: Made of premium 18/8 stainless steel.
Cupholder Friendly: 24 Ounce Capacity – Measurements marked inside vessel 
Shaker Ball Included
Limited Lifetime Warranty
Pat/Pat Pend.