Mulch Bag: Get a 70L bag of spruce bark mulch. Use: This UK grown mulch is perfect for weed control on borders, or useful as a soft surface for play areas and walkways - the possibilities are endless! Cover: The 70L bag will cover 1-1.2sq. m when spread at the recommended depth of 5-7cm. Size: Each chunk of spruce bark will be between 5-35mm. Colour: The mix has a natural dark brown colour. | Spruce Bark Mulch Bag | Wowcher