High density foam inside layer for the best noise reflection reduction and protects from unwanted outside audio interference when recording. Multiple panel design, foldable for angle adjustments, optimal insolation. Can be fixed on tabletop or mounted on microphone (NOT included) use filteration: the absorbing layer for sound reflection prevention, the filter layer for external noise filtration, and the reflective layer for unwanted sound reduction. Great for professional vocal/acoustic recording and podcasting . Specification: Material: EVA Foam and Steel Size Chart: Folding Size: 13.5x11x20.5cm/5.31x4.33x8.07inch Unfold Size:28x11x20.5cm/11.02x4.33x8.07inch Package Includes: 1 Piece Microphone Isolation 1 Piece Countertop Stand Note: The color may be different for different display, please understand. Pls allow 1-3mm error due to hand , thank you.