Bird loverstrade seed feeders offer great value for money utilising strong plastic they provide the perfect hard wearing feeding station for a wide range of garden birds as well as being lightweight and easy to refill dimensionssmall 18cm x 6cm 71 x 24 2 portsmedium 36cm x 6cm 142 x 24 4 portslarge 54cm x 6cm 213 x 24 6 ports