The Fun Way to GroomPenn-Plax Swing with Rope is a super fun acyclic arch for your pets to rest on. It"s coupled with a nail and beak conditioning perch and a cotton rope that calls for some added fun. It can be the favorite thing that your bird may love to sit, get groomed and play on. The high quality, quick link hanger helps you to attach it to cages in a convenient manner. It doesn"t have any sharp edges that makes it harmless for birds.Penn-Plax Swing with RopeAcyclic arch and cement perch combinationHas a cotton ropeEasy to attach in cages with hangerPerch trims nails and beakA Closer Look: The perch of Penn-Plax Swing with Rope is constructed from lightweight cement with crushed sea shells that can provide added calcium for your pet. This rope is made of 100% cotton to keep birds busy and to give them a chance to channelize their energies. Made Specially for: Small birds of all agesSmall (5.5" H x 4.25" W x 1" D) Medium (8" H x 6.5" W x 1.25" D) Large (12" H x 8.5" W x 1.87" D) X-Large (15.5" H x 10.75" W x 2.25" D)