What's included? 1 Replacement Pacific Pebble Print Mattress Cover -- This replacement Mattress Cover works with the Fisher-Price Rock With Me Bassinet GNX44 Described below - Listing is for Mattress Cover Only -- The Fisher-Price Rock With Me Bassinet gives your baby a safe, soothing environment to sleep, at home or while traveling. With a gentle push from you, the bassinet's flat sleeping surface rocks back and forth, helping to soothe your baby. To keep the bassinet still, simply twist and lock the feet for stationary use.-- This set is sold separately and is not included with the replacement Mattress Cover – Description is for Fisher-Price Rock With Me Bassinet identification purposes only. -- Oh no, where did it go? Isn't it just the worst when you lose the most important part to a baby product? Never fear, we've got you covered! We carry a large variety of replacement parts for your toy or baby product. -- This is a replacement Mattress Cover for Fisher-Price Rock With Me Bassinet – Item # GNX44.