FITS ONLY CI-604 - Tailored for the perfect fit on the 24"H 4-Panel IRIS dog pen with metal lock, CI-604. SAFETY- Safeguard your furry friend within the IRIS pet pen, shielding them from curious critters. Secures pet inside IRIS pet pen and keeps them safe from other animals. CONVENIENT- Effortlessly fasten and release the playpen cover using convenient hook and loop tabs. DURABLE- Crafted from resilient, washable, and featherweight nylon mesh material, this dog pen cover is built to last. GREAT SIZE- Dimensions: 46.0"L x 46.0"W x 0.1"H