Acoustic Wall Panels Self-Adhesive, 18 Pcs Sound Absorbing Panels for Studio, Bedroom, Living Room, Office, Gaming, Ceiling, Door Acoustic Treatment, White, 12" X 12" X 0.4"

Sound Proofing Panels, Kuchoow Acoustic Panels Self-Adhesive, 18 Pack High Density Soundproofing Panels for Ceiling/Door/Wall Decoration and Acoustic Treatment (12" X 12" X 0.4") White

HyFanStr Sound Proofing Panels for Studio, Acoustic Panels Sound Treatment, Self Adhesive Sound Absorbing Panels Foam Tiles for KTV Bedroom Recording Offices Wall Deep Gray 6 Packs

JAMELO 12 Pcs Self-Adhesive Acoustic Absorption Panels, High Density 12" X 10" X 0.4" Soundproof Acoustic Panel, Hexagon Sound Absorbing Panels for Recording Studio & Home & Offices (White)