Knees - Congratulations On Your Knee Job! Get Well card specifically designed for knee operations and replacements. £1.95 Quantity: at £1.95 each Add To Basket This card is blank inside. Card sizes are approximately 144x144mm. Wherever possible we use recycled card. Please note that whilst every effort is made to ensure that the image shown here is an accurate representation of the card there may be slight variations in the colour.