Costa are offering half price for their frostino coffees for limited time only. Frostino flavours include Double Chocolate Cookie Mocha, Coffee Banoffee, Caramel Latte and Coffee Frostino. Normally costs £3.50 so will be £1.75 with this offer.
Offer available from 10th July until 3rd August 2017. Mondays to Thursdays between 3.00 pm and 6.00 pm at participating stores. Below is the costa link confirming this.http://www.costa.co.uk/terms/#halffrostino