1. The characteristics of the fenders are a. Puncture-proof Construction: There fenders are filled with a special micro-bubble foam that creates a 100 percent independent closed-cell structure which will not absorb water. The fact that they are puncture proof and offer superior elasticity, assures users of the excellent durability of these fenders even under extremely severe conditions., b. Long Life Performance : With these fenders, there is no need to adjust the air pressure to allow for changes in atmospheric temperature. This feature makes them ideal for applications in which minimum maintenance is a priority. In addition, fitting to the quay is simple; once the fenders are secured with a wire rope or chain, they comprise a permanent and extremely durable protection system for all ships.