TroyStudio Mass Loaded Vinyl Sound Proof Barrier, 1.25 Ibs/sqft, 1 x 8 Feet MLV Insulation Sheet, Anti Vibration Deadening Soundproofing Material (1/8" thick, 1 x 8 feet)

GOSCHE 394 mil 8.61 sqft Sound Deadener for Car, 10mm Thick Sound Deadening Mat Materials Can be Better with Audio Noise Insulation and Vibration Dampening 9.8″x 15.7″(8-Piece)

Focusound 50 Pack Acoustic Foam Panels 1" x 12" x 12" Sound Proof Foam Panles Soundproofing Noise Cancelling Wedge Panels for Home Office Recoding Studio with 270PCS Double-Side Adhesive

VEVOR Car Sound Deadening Mat, 400 mil 16 sqft Automotive Sound Deadener, High Density Foam Sound Deadener Material & Heat Barrier, Double Layer Waterproof Structure Acoustic Insulation Mat

AggSound 157mil 18sqft Roll Pack Universal Sound Deadener for Cars with Aluminum Foil Tape&Car Trim Removal Tool-Closed Cell Foam Noise Deadening Material-Heat Shield Insulation Dampening Mat