Shown in anthracite, but available in any of my 3mm colors. Measures approximately 5" across and 2" deep. Shown in anthracite, but available in any of my 3mm colors. Measures approximately 5" across and 2" deep.Material Feature: Its innovative optics FELT provides many positive characteristics: Felt is air-permeable, sound-absorbing, insulating and dirt-resistant due to its natural oils. It is ...