inflatable buoy,air buoy Airtight,can last 3-4 years, logos are detachable with velcro, strong D-rings in bottom for anchor inflatable floating cube ... .8x1.8x1.8m, 2x2x2m, 1mx1mx1m or other size1). Sealed air inflatable buoy, seams are all welded. Once inflated, it can be kept ... inflatable for 15 days before you add more air.2) High ...