Kirkland Signature Diapers Kirkland Signature Diapers make a great choice for babies. These signature diapers come with an all round stretch to comfortably fit around babys waist, back and legs. In addition, the materials used to generate these diapers are gentle on babys tender skin. These diapers have super absorbency characteristic that makes them an ideal choice for use. Why Youll Love It: These diapers help provide a great fit, comfort and protection to children.