Simple Modern Introduces the Signature Classic The Signature Classic brings the best of the Classic styling with upgraded features like a non-slip silicone bottom and ceramic-lined interior for premium sipping. Simple Modern adds to its premium Signature line with the introduction of the Signature Classic tumbler.This customer favorite has received an upgraded treatment for an elevated drinking experience. Here's some advantages to the now-available Signature Classic, available in a 24-ounce size.It's 100% leak proof.Now, the Signature Classic tumbler comes with a leak-proof straw, making it guaranteed not to spill. It delivers a superior taste experience. The Signature Classic is ceramic-lined to preserve any drink's flavor. It's more durable. The Signature Classic has an added non-slip silicone grip base that adds stability and durability to the cup. The Signature Classic will keep your drinks cold or hot for hours and hours, and it's cup-holder friendly, making it a great choice for both on-the-go hydration and all your at-home drinking needs. And, check out everything offered in Simple Modern's upgraded, premium line of Signature products, all featuring the elevated features to ensure the best drinking experience possible. Signature Trek TumblersSignature VoyagerSignature Mesa Water Bottle