Designed to be used with the Innorack® IVC Tall Rat XL. For use with Innocage® Tall Rat XL lids (34.6 oz/908.9 g total). Extra-large cage, sized for large rats. 100% PET plastic. BPA-Free. Recyclable. Interior dimensions: 322.5 in² floor space, 9" height (2080.6 cm² floor space, 22.9 cm height). Outside dimensions: 16.9"L x 26.9"W x 9.9"H (maximum) (42.9 x 68.3 x 25.1 cm (maximum)). EU Compliant USDA species compliant (Rat, Hamster, Guinea Pig)