Perfect Fit Brand Ergflo Extra Black extra rectal douche has a medical grade contoured bulb featuring air valve technology. This industry first reduces untidy back flow, requiring less refills. Extra has a premium 5 inches Abs plastic, fiberglass tip, along with a 3 inches stowaway tip. Perfect Fit Brand Goods are offered, and meant for use strictly as adult novelty toys to keep things interesting. They aren't meant for medical use and haven't been clinically tested. No medical claims are warranted or implied through these items. This enema package is definitely an Food and drug administration registered medical device. Materials: made from medical grade PVC, and Abs plastic, fiberglass in China. Meets EN71-3 standards