-This kit includes: 7 -25mm (SMALL) silicone Wideband External Catheters with extra adhesive. (no tape or glue necessary). These are put on like a condom and roll down. If you prefer a different size catheter they are available in size 29mm (Medium), 32mm (Intermediate), or 36mm (large). Please just notify me when you purchase with an email or if uncertain please contact at MARK MEDICAL. -They connect to a collection leg bag that comes with adjustable straps; the tube can be trimmed to desired length to fit on the on your inner calf or thigh. The bag can be drained easily by the flip down release valve. If you prefer a smaller 19oz bag please request with an email at the time of your purchase.