Quality Material to Use: the sound proof blanket is mainly made of cotton felt and oxford cloth, with nice sound absorption and sound insulation
Large Sound Dampening Blanket Soundproof Blanket for Door Acoustic Noise Blocking Blanket Studio Sound Absorption Sheet (48 x 48 Inch)
Quiet Quilt™ 2-Sided Barrier Blanket - Second Skin Audio
2 Pcs Large Soundproof Blanket Sound Dampening
Matthews Sound Blanket with Grommets (74 x 81) 329040-1 B&H
Large Sound Dampening Blanket Soundproof Blanket for
2 Pack) Small Sound Blanket - 48” x 48” Black Grommeted Sound
2 Pcs Large Soundproof Blanket Sound Dampening
VB76-G Studio Size Producer's Choice Acoustic Blanket - Black
2 Pcs Large Soundproof Blanket Sound Dampening
HWLIYUTAI 48 Pack Black Acoustic Foam Panels 2 X 12