Saw this when i was in Boston, Lincs, Homebase, yesterday. You have the choice of 2 different colours Brown and Green. Had a look on their website and looks like it is instore only (although link is to 5kg bag, the actual bags on sale were the 10kg bag).
We bought 10 x 10kg bags for £30!!
Perfect for use in children's play areas.
Easy to lay, and environmentally friendly.
Helps to curb weeds, mould and fungus.
Wire free, and non-toxic.
Moisture resistant, which means play areas can be used more quickly after rain.
Colour safe with a 10 year guarantee against colour loss.
Safe if ingested.