Baseret på kundernes tilbagemeldinger i 2020 og 2021 opgraderede Carkin en af ​​sine eksisterende tumblere og lancerede den nye vare i okt. 20 oz straight DUO skinny!

The Speede Custom's gave us an very good example about--why we use stainless tumblers instead of disposable cups? By using different decoration methods, the stainless cups/bottles/mugs could be very impressive and memorable!