Rainbow cobbles are a colourful and stylish collection of brightly coloured decorative stones in a variety of shapes and sizes but all with a smooth rounded finish highly colourful with unique variations typically between 50 and 75mm in size a stylish colourful addition to a garden or border will enhance any water feature or pond also suitable for use in an aquatic planter delivered in a bulk bag on a pallet onto a solid surface only approximately 850kg 060m3 of rainbow cobbles de