NK Medical Caster Wall Bumpers C30, Set Of 4, For Use with CribsSet of 4 caster wall bumpers. Do not use with C15 or 3" casters. Product Specifications BRANDNovum Medical Products, Inc. MANUFACTURERS PART NUMBERC30 LENGTH INCHES4 WIDTH INCHES4 HEIGHT INCHES4 DESCRIPTIONCaster Wall Bumpers PACKAGE QUANTITY1 LIMITED WARRANTY1 Year USE WITHCribs ASSEMBLYAssembled