Simple Office Pod Booth - Reduce The Sound by 30-40 Decibels
Advanced 35-45dB Noise Reduction Technology: A soundproof design featuring 50mm cashmere filling, 5mm sound insulation, 30mm sound-absorbing cotton, and 18mm honeycomb aluminum panels effectively blocks external noise.
https://www.x-comfot.com/p/simple-office-pod-booth-reduce-the-sound-by-30-40-decibels_20794.html?variant=22651