Cool Yoleb 30oz Tumbler (White, 4-Pack)

The Cool Yoleb 30oz tumbler is a budget-friendly vacuum-insulated stainless-steel tumbler sold in a 4-pack at ~$9.75 per unit. It features double-wall insulation and claims to keep cold drinks cold for 12 hours. The set includes a leak-proof lid and appears to use a powder-coated finish for grip and durability.

Key specs: 30oz capacity, stainless steel construction, vacuum insulation, included lid, powder-coated exterior. This is a white colorway, part of a bulk 4-pack offering.

For whom: Value-conscious buyers seeking affordable tumblers in volume—office teams, event giveaways, or households wanting multiple cups without premium pricing.

Trade-offs: Cool Yoleb is a lesser-known brand with limited third-party validation in the gear community. Durability and leak-proofness depend heavily on user reports, which remain sparse relative to category leaders like Stanley or Owala.