Sleep stones are highly fragranced with

essential oils and coloured.

They are suitable as an alternative to pot pourri

 or used in an ashtray

Made from Pumice with essential oils added to fragrance them
available in 6 fragrances
Destressing-Pettitgrain,Bergamot,Neroli
Lavender-Lavender
Re-energising-Geranium,Grapefruit,Rosewood
Relaxing-Lavender,Camomile
Revitalising-Rosemary,Lemon,Grapefruit
Uplifting-Bergamot,Mandarin,Grapefruit