The item you are looking at is our Number BPTN, Adult sized, Eco-friendly, biodegradable cremation turtle urn made of recycled materials. Size: Adult Dimensions: 5" High x 18" Long x 23" Wide, 202 Cubic Inches, Material:Biodegradable Recycled Materials Other Sizes Available?: Yes, this urn is also available in a mini size. Contact Lovedonesurns for more information. This urn can not be engraved, but was created for water burial and will disintergrate in the water after a while. The ashes are taken out to the water. Some times the turtle is put into the deeper water from the side of a boat.