Do you know what this is? Pueple velcro sanding disc 

Superior sharpness❤
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🇨🇳 We are a manufacturer of abrasives in China, if necessary, you can contact us through the following ways.
Shandong Renwa Abrasive Tech.Co.,Ltd
Email: zhaojinliang@cnrenwa.com
Web: www.renwa-abra...
VideoSite: www.VideoSite....
Tel: 0086-533-2805169
Whatsapp: 0086-18553326688
Cell Phone: 0086-18553326688, 13869317952