Walmart has the Coca-Cola Retro Classic Personal Mini Fridge / Cooler (‎KWC-4C AZ) for $28 with free shipping with Walmart+ (free 30-day trial), $6 shipping, or free shipping on $35+. Diet Coke Mini Fridge is $29.

Features 4-liter interior, holds up to six soda cans, and cools down to 32 degrees. Diet Coke and Sprite designs are also available.