This neoprene carrier belt holds microphone transmitters vertically. The design was finalized after being tested by experts in the fitness sound industry. It features bound (reinforced) edges for increased durability and a longer life. The sung-fitting neoprene belt is lightweight, comfortable and fits most of today"s latest and most popular microphone transmitters. The pocket is made out of neoprene and stretches so specifying precise dimensions for the pocket size is difficult. Roughly, the pocket fits 4" x 2.5" x 1". The belt is hand washable and adjusts to fit waist sizes from very small up to a maximum of 38 to 42 inches depending on how tightly the neoprene belt is stretched. For larger waist sizes or to enable less stretch so the belt fits looser, a SW Belt Extender is available. See model EX2 which increases the maximum waist size by about 10 to 12 inches. Color: Black For US customers, we offer expedited shipping via USPS Priority Mail (2-4 days after shipping) or you can chose standard shipping via USPS First Class mail.