Pembroke pebbles are a collection of light coloured decorative stones in a variety of shapes and sizes but all with a smooth rounded finish reminiscent of stones from a pebble beach on the coast of the uk typically up to 40mm in size a stylish decorative addition to a garden or border can also be used to create themed areas and enhance water features also suitable for use in a fish pond or aquatic planter delivered in a bulk bag on a pallet onto a solid surface only approximately 85