Here are the specifications first. EVA float product specifications are divided into many, 20g, 30g, 40g, 50g, 60g, 70g, 80g and other specifications are available. The next describes the use of. EVA floats as a whole using EVA elastic material, floats both ends set with a copper ring, appears more smooth, with effective resistance to extrusion, corrosion resistance, etc., while the use is obvious, for aquaculture, sea farming, applicable to all kinds of weather, because EVA floats buoyancy, the obvious visual marker.