They are easy to tuck your smaller shopping bags in so you don't have to lug loads around. Do bring them to the beach. Large enough to fit your bathers, thongs, bottle of water and change of clothes but small enough not to look like you're going on holiday. Do wear them with the new denim fad. Do bring them if you're going to a pub.
Pubs are casual and relaxed.
Just the look you need. Don'ts Don't bring them to a club. Most clubs are somewhat semi-formal. Dresses don't go well with this casual bag. Don't carry a pastel-coloured bag if you're wearing shades like red, browns or yellows.