The world famous Lil Whizz Kit is a non-refillable one time use, disposable 3 oz belt.  It comes with everything you need right out of the box.  The premixed synthetic unisex urine reacts and feels like real urine when used as directed.  You cannot contract any infectious diseases from this product and is chemically similar to real urine.  The synthetic urine stays good for one year.  It can be used as a one-time-use Female Whizzinator. ALS Synthetic Urine contains ingredients found in natural urine like Uric Acid and Creatine. It is balanced for specific gravity, Ph and has foam and scent! Lil Whizz Kit Comes with: • Over 4 oz toxin free synthetic urine• 1 heat pad ( Will heat fluid up to realistic body temp of 98.6 degrees )• 1 set of instructions• 1 cotton elastic belt with pre-filled bag attached.