Normally around the £5 - £7 mark so bargain IMHO. Found in the Rugby, Warwickshire store. Big stack of them. Maybe nationwide.
DryNites® Sleep Shorts are designed to look like short-style sleepwear that many kids wear to bed. They contain a concealed highly absorbent pad to help your child feel dry and get a great nights sleep. The moisture proof outercover looks and feels like short-style sleepwear and conceals the absorbent pad that draws wetness away from the skin. Aged 4-7 years, 17-30kg or 2st 10lbs-4st 10lbs