Outdoor/Indoor Portable Shower for Dogs: Turn your plastic soda bottle into a handy outdoor hiking gear; fill the bottle with water, gently place the shower head on the plastic bottle cap, tilt and squeeze it. Easily clean dirt, sand and mud from your body, suitable for dirty dogs, children and even yourself. Suitable for Plastic Bottles: Suitable for any standard PET soda bottle from 16 oz to 2 liters; the diameter of the lid hole fits most plastic bottles. With a 2 liter bottle, the shower lasts more than a minute. Versatile Travel Shower: If you like to go out, this outdoor portable shower is a must-have. and squeeze to clean and "cool down" with a small amount of water. Plant Watering Tool: The water bottle cap sprinkler can also be used as a garden plant watering tool. You can use it to , it provide an easy-to-control water , suitable for newly sprouted seedlings and plants.