sterling cup

Shown capacities range from 12 fl oz up to 40 fl oz, with common sizes including 12 fl oz, 18 fl oz, 30 fl oz, and 40 fl oz.

You’ll see straw-style lids and flip-top lids. Many tumblers include a straw (some are stainless steel), and certain lids are designed to fully cover the straw with removable components for cleaning or sealing.

Several tumblers advertise insulated construction designed to retain cold for 24+ hours and to keep ice from melting quickly.

Several tumblers feature fully leakproof lids, covered straw seals, and locking mechanisms to prevent spills; reviewers also commonly note leakproof or spill‑proof performance.

The metal mint julep — described as a sterling cup — is shown in a vintage style with a sterling-silver finish over brass and delicate beaded details at the base and rim.

Several travel tumblers list a Lifetime Limited Warranty in their product details; check each listing for the full terms and coverage.