Humidity Bead System&reg; Humidity Bead Humidifier Size Extra Large 70% RH Protect your investment with the Humidity Bead System Today Nominated by the Cigar Journal Magazine for Best Accessory award 2 years running Extra Large Deep Rectangle Will Regulate up to 4425 sq inches of Volume 6 7/16" L x 2" W x 2 5/16" H Made in The U.S.A 1 year Manufacturers Warranty