After contacting 3 Circle K stores, it was determined that they do not currently sell Squishmallow plush toys. Squishmallow is a well-known brand of soft and cute plush toys, but it seems that Circle K has not started carrying them in their stores.
Customers interested in purchasing Squishmallow may want to look for them at other retail locations or online. Availability may vary by store and location, so it may be a good idea to check multiple places before making a final decision on where to buy.