These urn bases are constructed of red oak. Pet ashes are installed through the removable bottom panel secured to the urn using screws.

Size Urn Volume * Pet Size ** Dimensions Small 15 cubic inches 0-12 lbs pets 6.00" x 3.0" x 2.375" Medium 35 cubic inches 13-28 lbs pets 7.75" x 3.75" x 2.625" Large 85 cubic inches 29-68 lbs pets 10.00" x 4.5" x 3.375" XLarge 115 cubic inches 69-95 lbs pets 7.75" x 6.0" x 4.625" Jumbo 145 cubic inches 96-125 lbs pets 7.75" x 6.0" x 5.625"

​*Approximate urn volume ** Live Weight of Pet​​