Tongue and groove acoustic panel is one kind of sound-absorbing panels with grooves on the surface and holes on the back. The back is covered with black felt to prevent the internal acoustic foam from being exposed.
Synwin Non Woven Horticulture fleece is made of high quality imported 100% vrigin polypropylene, Non Woven Horticulture Fleece is perfect to protect your plants against frost and also stops wind, hail, birds and insects damaging your plants, strong and re