US Patent 11659962 Tub liner for infants bathtub

A disposable liner for use with a reusable infant's bathtub. A workable liner may be formed from two parallel flat sheets of plastic film, bonded together around an outside boundary. The liner is disposable in a flat configuration of minimum thickness, and can then be folded to form a space-efficient rectangular package of substantially constant thickness. Certain liners may include a backrest cushion.