Hugger Mugger Pranayama Yoga Bolster Navy Blue - Very Firm, use Under Length of Spine for Deeper Breathing, Handmade in The USA Place under the length of your spine and expand your chest and ribcage for deeper breathing. This is a great tool to add to your restorative practice. Features & details Expands your chest and ribcage for deep breathing Can be used in Restorative Yoga practice Exceptional firmness maintains structural integrity Upholstery-grade fabrics are durable and long lasting with convenient handles on both ends Handmade with love in the USA