Camera Bags remain a really popular choice.  We now have some lovely Summer colours perfect for those days (and nights) out. They come with a detachable, long ,adjustable self-coloured strap but you can dress it up or down with additional funky straps.
 
Silver colour hardware
Internal pocket
 
Dimensions: 21 cm (L) x 7.5 cm (W) x 15.5 cm. Drop (of long strap): 56 cm