Geowool Planting Square 500GSM (500mm x 500mm) - - - [100 pack]Geowool 100% NZ wool mulch mat available now. Ideal for erosion control, mulch matting and helps to keep weeds down whilst your planting establishes. Geowool is also ideal for helping protect plants from frost damage by creating an insulation layer. Made in New Zealand. Geowool has a useful life span of between 12 24 months depending on application. Geowool absorbs and holds water and will help increase soil temperature promoting better plant health.