Though Stanley has been around since 1913, its iconic tumblers exploded in popularity after TikTok influencers and moms on-the-go praised their durability and aesthetic in 2023. The brand smartly rebranded its traditional rugged thermoses into colorful, Instagrammable drinkware, leading to viral sellouts and waitlists. What was once a grandpa’s camping mug became a Gen Z and millennial status symbol almost overnight.