The CareShield Barrier Plexiglass System provides extended height to your crib and acts as a protective room divider in a childcare setting. Barriers are made of specially formulated resin for added durability and strength. Designed to give daycare the ability to arrange cribs closer together without sacrificing safety, enabling centers to increase enrollment while providing parents with peace. The 1B and 2B CareShield Barrier extends 11.5” above your existing Foundations SafetyCraft or Serenity Fixed-Side crib end rail for 41” of enhanced safety. The 1B and 2B end barrier systems are compatible with Foundations SafetyCraft and Serenity Fixed-Side Clearview and Mirror cribs. Compatible Crib Models Include: 1632040, 2532040, 2532120, 2532043, 2533040, 2538040, 2537040, 1732040, 1733040, 1732120.