These Crazy Eye Bio Hazard Contact Lenses replace your own iris colour with a yellow & black bio hazard symbol. These contacts can be used for up to 90 days once opened so you can wear them time & time again. Be sure to add the eye care kit if you don't own one, they are half price! Please note that for hygiene reasons this product can not be returned once opened The contacts come in their own vial, sealed & ready for use. Full instructions on use & maintenance are included in the box with the vials. We strongly suggest you read them before use. Not included are eye care solution & lense case. You can use your own if you already wear contact lenses but we would advise that you purchase the solution manufactured by Edit specifically for these eye accessories. You can buy the solution, lense case & tweezers set separately or choose to add them with this product when prompted, for a 50% discount. ADD THE EYE CARE SET WHEN PROMPTED & GET IT FOR ONLY £3.25 (NORMALLY £6.50)