Everyone needs one of these super useful hanging toiletry bags! They have a multitude of uses none the least of which is a waterproof toiletry bag. Fits everything in it no problem at all! You can hang it on the back of the bathroom door or over the shower door for easy access to your toiletries. 
Can also be used as a cosmetic bag keeping all your cosmetics in oder and within easy reach. No more searching for your favourite lipstick!
Another great idea is to use it to store all your first aid items. Bandages, plasters, tape, alcohol wipes etc can all be organised to make it easy to access in the event of an emergency. Great if you are out camping or hiking and perfect for using in the caravan!