BELLY BELT COMBO KIT BellyBelt Combo is the easy and inexpensive way to transform your favourite jeans, trousers, skirts and shorts into maternity wear. Simply button it into your regular trousers, jeans, skirts and shorts and add a fabulous top. Double your options with bellybelt slide, specially designed for slide-fastening trousers and skirts.  More can be found under GIFTS FOR MOM. Click on picture to enlarge and view details.