Fits 60X30 Open Living Habitat Stable Wire Rooftop For Added Security Recommended For Use With Rabbits Or Households With Additional Pets And/Or Children Roof Doors For Easy Pet Access, Cleaning, And Feeding Easy To Assemble With Chew-Proof Wire And Integrated Latches Optional Rooftop Add-On For 48X24 Open Living Habitat Provides Added Safety And Is Recommended For Use With Rabbits, Households With Additional Pets And/Or Small Children. The Stable, Chew-Proof Wire Frame Is Easy To Assemble And Features Two Secure Doors For Easy Pet Access, Cleaning And Feeding. Rooftop Only, Habitat And Replacement Liners Sold Separately