... EN71-2-3, SGS, BS7837, 3P, 6P, 7P, ASTM and so on.2. Professional weld machine:Made by high quality weld machine ... , tidy and durable connection parts.3. With safety sponge inside to fix ... color fading in about 5 yrs), etc make sure high efficiency, high precision and high quality.3. Good craft.Double stitching everywhere for the Inflatable ...