The dispenser bottle is crafted from top-grade plastic - sturdy, eco-friendly, and safe. 2. Thoughtfully designed: Threaded bottle openings prevent leakage and exhibit fine craftsmanship. 3. Hassle-free Refills: Simply remove the pump head on the empty shampoo bottle and refill with ease through the wide mouth. A gentle press on the pump head dispenses the contents. (Hint: It's that easy.)