Once they transition to a bigger bed, these easy-to-install rails can help protect your little one. Converts your crib into a full size bed. Compatible with the Alex, Annie Petite, Briendel, Century, Finley Regular Crib, Floating, Florence Regular Crib, Jaden Lee, Manchester, Modesto, Monterey, Monterey Flat Top, Montgomery, Napa, Paxton, Petite Paradise, Primo, Providence, Ravenna, Seville, Shaker, Tuscany Crib & Changer, Torino, Verona Regular Crib, Vicenza, Vista Couture and Vista Elite cribs. 1 year limited manufacturer's warranty.