Kaytee My First Home Tank Topper Converts any 10-gallon tank into a multi-level high rise for small furry pets Includes Comfort Shelves, Safety Ramps, food dish, water bottle and Little Brick House hideout (Glass Tank Not Included) Made using chew-proof coated wire and stain-resistant plastic parts 20&quot; long, 10&quot; wide, 10&quot; high For hamsters, gerbils, mice, or other small furry pets Bar Spacing: 1/2&quot;