▶ ALIXIN - Product description: -Armbands are an "introductory to swimming" style that provides complete buoyancy support for a child and adult already familiar with water, to build confidence and enable the development of basic swimming skills. > -You and your children will look and feel good in or out of the water, as they play, train or win in choosing champions. -Keep your child out of danger whenever you are near the water. - Specifications: Colour: blue/pink. - Size: Large / small. - Weight: approx. 90 g. - Material: Environmental protection non-toxic PVC material. ▶ Attention: -①: Due to the production process, shipments and packaging, no matter the first time you use, maybe there are odors, it will be dispelled to you after a few days. -②: The temperature is low in winter, the PVC material becomes easy and crispy. Please put it in warm water about 15 minites before refueling with air. Otherwise, it is easy to crack it. -③: Children should be under the guardianship of adults when using it.