This is the mattress that comes standard with any new Ideal Co-Sleeper
Arm's Reach Ideal Co-Sleeper® Mattress fits any Ideal Co-Sleeper® and Ideal Ezee Co-Sleeper® brand baby bassinet.
38" x 23" x 1.3"
**Please be advised that we do not accept Returns or Exchanges on any mattress product. Please be sure to order the correct mattress for your Co-Sleeper® model. If you have any questions please call customer support @ 805-751-1632