1SET INCLUDES: Set of 16, 4 heart shaped screw caps, 4 heart shaped spray caps, 4 leaf shaped screw caps and 4 leaf shaped spray caps. 2REFILLABLE AND REUSABLE: Each plastic clear bottle holds 50ml of liquid, refillable and reusable over time. Simply refill with your favorite hand sanitizer. 3DURABLE MATERIAL: Made of durable plastic, the caps can be easily tightened to prevent leakage and are easy to squeeze, spray and refill. 4TRANSPARENT DESIGN: The transparent bottle shows the color of the contents so you don't have to worry about mixing them together. And it clearly shows the remaining quantity to remind you to refill. 5MULTIPURPOSE: You can fill the bottles with liquid soaps, lotions, sauces, shampoos, conditioners, creams, alcohols, etc.