Cooking a hot dinner when the weather is warm is nobody's idea of fun, which is why many people opt for a light and refreshing salad at mealtimes during this time of year.
Lettuce is often a key component of these, but the crispy salad leaf can often wilt and turn brown before you have the chance to use it.
However, experts say that one handy storage item can keep the vegetable fresh and crunchy for up to 16 days, and there are plenty of rave reviews that say how good it actually works.
