BMV1135 Features: * Manufactured with all natural aspen shavings specially processed to eliminate dust * Comes from hardwood, eliminating aromatic oils found in other types of wood * Can be used in all cages, aquariums, and enclosed habitats * Natural biodegradable product * Made in United States Options: * Available in 1200 cubic inch and 3200 cubic inch sizes Dimensions: * 1200 cubic inch Weight: 3.98 lbs * 1200 cubic inch Dimensions: 8.75" H x 3.75" W x 16" D * 3200 cubic inch Weight: 7.75 lbs * 3200 cubic inch Dimensions: 11.75" H x 7" W x 15.5" D