These matt white pebbles (20 kg sack) are ideal for decorating flowerbeds, pond areas, poolsides and indoor plants- diameter 2-4 cm sold in bundles of 5 sacks i.e. 100 kg total to cover 1mÂ². White pebbles. Decorative garden pebbles : White, 5 sacks, W : 20 kg Please note: You are currently browsing img 2030mm scottish pebbles madingley mulch that is 980x650px in size. This image is listed in decorative garden pebbles uk category. Decorative garden pebbles White, 5 sacks, W 20 kg, 980x650 in 193.76 KB.