The large RealLike penis shaped cover is compatible with the standard Medium Attachment.
There is no latex in Sybian parts. All inserts are made of a material known as Dynaflex which is a TPE Compound and Kraton. No allergic reactions have ever been reported. The insert is beige flesh coloured.
Water based lube is recommended with these inserts. Simply apply a drop of lube to the medium attachment and slide this cover over it for a fuller feeling.
1.75" D & 5.25" L