£4.20 Pack of 100 Assorted Sizes St John Ambulance Washproof Low Allergy Plasters £4.20 Pack of 50 7.5cm x 5cm St John Ambulance Washproof Low Allergy Plasters £7.00 Pack of 100 7.5cm x 2.5cm St John Ambulance Blue Washproof Detectable Plasters