High Density Pearl Cotton Board (white) Width 1 Meters X Long 1 Meters Thick 30mm Foam Board EPE Pearl Cotton Sheet Hard Courier A1345 PriceUpdated ·It adopts two-layer solid structure

·It adopts two-layer solid structure of upper and lower parts，Easily stand on the top bench，diameter 280mm

If you don’t have a spare computer

Frequency response: 31

Buzzer: √

such as factories

High Density Pearl Cotton Board (white) Width 1 Meters X Long 1 Meters Thick 30mm Foam Board EPE Pearl Cotton Sheet Hard Courier A1345 PriceUpdated ·It adopts two-layer solid structureShips FREE Handling Day: 1 3 Days, Arriving Day: 15 35 Days[SHORTDESCRIPTION] Specifications 1 meter wide X 1 meter long and 10mm thick 1m wide X 2m long and 10mm thick 1 meter wide X 1 meter long and 20mm thick 1m wide X 2m long and 20mm thick 1 meter wide X 1 meter long and 30mm thick 1m wide X 2m long and 30mm thick 1 meter wide X 1 meter long and 40mm thick 1m wide X 2m long and 40mm thick 1 meter wide X 1 meter long and 50mm thick 1m wide X 2m