inflatable buoys Sealed can last 2-3 years, logo size logo customized,flag holder tube on topmmetal anchor D-rings in bottom inflatable cylinder buoys for water event advertisingMaterial: Durable 0.6mm/0.9mm PVC tarpaulinSize: 2mHx1mDia or customized 1). 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 quality ...