1. PU Leather & Machine Sewing: This glow in the dark soccer ball is made of environmentally friendly high-grade PU leather with nylon yarn-wrapped lining process, which feels comfortable on the feet and will maintain good elasticity and shape retention. , wear-resistant, long use time, suitable for indoor and outdoor use 2.Brighter Luminous Effect: The luminous soccer ball is designed with fluorescent material, which makes the soccer ball have better glowing effect without batteries. After being exposed to sunlight or other strong light for a period of time, the football can glow naturally in the dark for 1-2 hours. Stronger and longer sunlight will make the soccer glow brighter and keep it longer 3.Unique Glow Design: The soccer balls can glow in the dark, which is mysterious and interesting. Just expose it to a bright light source or sunlight for about ten minutes. The brighter the light is, the stronger the soccers will glow in the dark 4.Day & Night Soccer Toys: The light up soccer ball emits its own shimmering light after absorbing light, is environmentally friendly and emits a clear and bright green light, perfect for evening and night games, making your child stand out on the soccer field, and can also be recorded on camera and posted to social media. will 2 months guarantee in case there any quality problems, please feel to us, we'll respond as soon as we can