The biodegradable sail ship cremation urn is handcrafted with natural wood materials such as cedar,and red oak; sails are handmade with eco friendly paper, and tide down with hemp string.Each sail ship urn makes a burial on water unique. Engineered to float approximately five minutes before descending in the water.  Time can  differ somewhat.The biodegradable wood urn is ideal for earth burial or may be place on a mantel.Each Sail Ship Urn is custom made in the U.S.A.DIMENSION:236 cu.in.; 5" X 7" X 22"Figure 1 cubic inch for 1lb of healthy body weight.Example: 236lb adult = 236 cubic inches of cremains.DON'T FORGET TO ADD A PERSONALIZED ENGRAVE PLAQUE.Don't forget to order your engrave brass plate.