Designed to last 8 hours using NASA inspired multi layered InconTek technology similar to designs used by astronauts in space for long missions. Absorbs more liquid than standard diapers, pulls it away from the skin and locks it in a separate layer to avoid skin irritation and/or infection. Easy to use changing system in which changes can be scheduled to once in eight hours/ three in 24 hours to reduce exposure to the effects of urine and odor control. Ideal for overnight use, travel or any time the wearer needs to go long periods of time without changes. The Wellness Brief pulls liquid away from the skin to avoid skin irritation and infection. Four refastenable tape tabs (2 per side). Stays dry for 8 hours or more. Cost effective & easy to use with scheduled changing system. Made with with InconTek technology inspired by NASA. Medtrade Innovative Product award winner. Featured on Discover Channel How Stuff Works. Triple layered core draws wetness away from the skin. 3 Packs of 20 = 60 briefs. 24" - 36" Waist (3131) Large 36" - 46" Waist (3142) X-Large 46" - 67" Waist.