Super Pet CritterTrail Fun-nels Bubble Plugs Assorted Colors Set of 2

CritterTrail Bubble Plugs are used to close opened accessory holes on the sides of CritterTrail homes. Bubble Plugs can also be attached to a 10" Fun nels climbing Tube to close an opened accessory hole on the roof top of any CritterTrail home. Bubble Plugs are available in four colors and are sold two to a package. For: Hamsters Mice & Gerbils 2.25" Diameter (2 Pack)