Boppy Signature Slipcovers - Boppys are kind of shy. Give them something great to wear.The most indulgent slipcover to give or to receive, created with multiple fabrics and coordinating piping. The top of the line!Boppy® Slipcovers are machine-washable and fit every Boppy pillow. So it’s easy for moms to keep things clean, even with babies new to this whole eating routine who may have a accident or two.