This product is suitable for children, suitable for children under 12 years old. We recommend blowing the arm floating ring into about 70% of the air, which will feel more comfortable. Please adjust it according to your own situation. Two air-floating designs make it safer and more comfortable.The soft waterproof plastic fabric is specially designed for children's delicate skin. These swimming floats are scratch-free, very comfortable to wear and easy to put on and take off.Safety inflatable swimming belt is non-toxic, it is the perfect tool for learning to swimEasy to use, the swimming float has no scratches and is easy to put on and take off. If you want to store it, you only need to exhaust the gas and fold it up, which does not occupy space and is easy to store and carry.Attention, please avoid near the fire source and scratches by sharp objects. There are two swimming arm floats of the same style in the product set, with a repair kit, excluding the inflatable tube! ! !