Threshold tumblers are primarily glass, including several options labeled as 100% recycled glass. At least one short tumbler is made from clear copolyester (a durable plastic).
Threshold tumblers are sold as singles and in multi-packs. Options include individual items, 4‑count sets, and larger multi-packs such as 12‑piece sets.
Most Threshold tumblers are intended for cold beverages; several listings explicitly note they are not for hot liquids.
Yes—some Threshold tumblers are made from 100% recycled glass or are described as containing recycled glass content.
Mixed sets typically pair a taller glass with a shorter one. Examples include pairings such as 16 oz with 12 oz, 14 oz with 12 oz, and 20.2 oz with 8.4 oz.
