Trion NCAA Washinton State Cougars Wristband Trion:Zs officially licensed collegiate series wristbands feature 65+ teams in colorful, stylish, and comfortable color combinations. The negative-ions in Trion:Zs officially licensed collegiate series wristbands are released in measurable and significant amounts at rates 50 to 100 time higher than competing brands. Trion:Z products will maintain their negative-ion producing properties when wet- theyre functional in the shower, ocean, and the pool.