'Heat Wave' A5 Full Colour Birthday Card £2.50 Quantity: at £2.50 each Add To Basket The 'Heat Wave' Design Greeting Card is taken from the popular 2016 slamsister calendar and Large A1 poster. A new hot, fun and sexy birthday card for friend or partner. Inside the card is blank for your own message. All slamsister cards areprofessionally printed in full colour on 300gsm silk coated card. This card comes with a colured envelope.