Safe Material: The foam bottles are made of high quality plastic PET, durable and reusable, non-toxic and BPA free. Ideal for liquid soap. Good for families and personal use. Attention: Operating temperature: -20C to 60C. Portable Size: These foaming bottles are made of BPA free plastic, 1.4 inchdiameter x 5 inchheight, 1.7 oz, compact size and light weight, easily fit into a handbag or cosmetic bag, making them ideal for travel. LEAK FREE DESIGNOur small foam soap dispensers are equipped with cap and core inside, which minimize the possibility of leakage. This improved design allows you to travel without worry. MULTI-PURPOSEThese empty foam bottles are perfect for making your favorite foaming soaps, disinfectants and mousse hair treatments for sale or gift to friends. Great foam dispenser for making your own liquid soap such as dish soap, liquid soap, shower gel and more. Save your costs Foaming soap dispensers release less soap than conventional liquid soap dispensers, but achieve the same standard of cleanliness. Significantly reduces the consumption of cleaners or soaps. Save money and more convenience.