Rockwool board set of 6 *Widths vary As a bonus, each piece will be wrapped in non-woven fabric, so you won't feel itchy when handling them! 1st piece: approx. 36cm wide 2nd piece: approx. 25cm wide 3rd piece: approx. 32cm wide 4th piece: approx. 29cm wide 5th piece: approx. 23cm wide 6th piece: approx. 38cm wide Height and thickness are all approx. 62cm x 5cm. Purchased in 2016. It was installed in a self-made soundproof room, but is being sold as the room is currently being dismantled. It will be wrapped in a plastic bag for waterproofing and shipped in a reused cardboard box. Shipping alone costs 1700 yen, so please refrain from asking for a discount. We will basically ship within 1-2 days, but we may be delayed by a few days if the weather is bad, such as heavy rain or strong winds. Thank you for your understanding. Sound absorption/insulation material, high density, soundproofing, soundproof room, soundproofing material, sound absorbing material