Is this the best guitar humidifier available today? We've taken everything you hate about guitar humidifiers and made them disappear. The infuriating caps, lids, sponges and syringes as-well-as the insane re-purchasing of beads, sponges and crystals. Made in the USA, with a lifetime guarantee - Leak Free. Exceptional Capacity for Humidity supplementation. Up to 5x faster than OLD style between strings humidifiers. Designed to go inside your guitar allowing you to keep playing whenever you want to. Available in Blue/Black, Carbon/Black, Red/Black, Black/Black