It converts to a locking dispenser at any time by simply removing the key from inside the dispenser. ADA compliant for protrusion into walkways. Lifetime guarantee. Patent pending CONTROLLED COLLAPSE refill bottles hold their shape as they empty for a more attractive overall appearance. Its removable pump makes recycling easy. SANITARY SEALED™ refills are made of durable, recyclable PET material, using 30% less plastic than rigid HDPE bottles. It is a manual dispenser, hence, it does not require batteries for operation.