This teacher doorbell holder is perfect gift for teacher to have their doorbells close. This awesome holder holds a Transmitter. Easily keep up with your remote no more digging to the bottom of your bag or desk. Closed bottom holder Made of leatherlike vinyl Fits the SadoTech Doorbell Model C, Secrui, and BoYing brand doorbells. Max size of 2.875" L x 1.75" W x .075" D. DOORBELL NOT INCLUDED Any sanitizer design you see can be turned into a Doorbell Holder.