Medline Urinary Drain Bags, 2000 mL, Case of 20 No Rinse Cleansers Premier pouches have the Hollister Premier pouches have the Hollister exclusive odor barrier and rustle free pouch and can be worn while bathing or swimming Because they are solidified Features: Medline drain bags have a slide tap for easy one handed drainage All drain bags have a reinforced hanger with built in anti kink drain tube guide and adjustable bed sheet clam Drain bags come with an option of an anti reflux device: The anti reflux tower provides anti reflux protection without mechanical parts to hinder flow The anti reflux device has a clear one way mylar valve for visualization of urine flow The anti reflux valve flap system minimizes back flow into the drainage tube Drain bags available with metal clamp or slide tap drainage port with years of experience