Pen Plax BA301 2 Week Vertical Seed Feeder The bird seed feeder has a narrow bottom which allows less seed to be accessible to the bird at one time lowering the amount of wasted food Bird seed feeder fits in between the wired bird cages to stay securely attached Small Bird, bird seed feeder holds 2 weeks worth of food Dimensions: 1.5"L x 3.25"W x 4.75"H Cubes: 0.0007. Weight: 0.1600 lbs.