Aspen Bedding 10 Litres ProRep Aspen Bedding is suitable for snakes some lizards birds and small mammals. It is soft dust-free odourless and highly absorbent and is made from non-toxic shredded wood sourced from sustainable forests. Directions: Spread the substrate evenly over the bottom of the enclosure to a depth of at least 1-2ÔÇØ (2.5-5cm). Spot-clean daily and completely replace every two or three weeks or more frequently if it becomes heavily soiled or wet. If you are using an under-tank heatmat as your heat source do not use a thick layer of Aspen as this may cause the heatmat to overheat. Please refer to the heatmat manufacturerÔÇÖs instructions for more information.