In honor of the first day of summer, Sheetz is offering customers F'real milkshakes for 99 cents with My Sheetz Rewardz. 

There is limit of 1 milkshake per Rewardz member. Sheetz said this offer applies to all F'real flavors and is available to customers starting June 20 through Friday, June 23. 

Sheetz said this promotion is valid for registered My Sheetz Rewardz members at over 600 locations. Customers just need to scan their Rewardz at checkout. 

More information on the 99 cent milkshakes can be found here.