CHENGYIDA 20x30inch polyester glow in the dark cloth DIY Fabric patchwork Tissue Kids Baby Bedding Textile for sewing Tilda Doll Materail: 100% Polyester suitable for patchwork, toys, craft, normal DIY projects Colors: white This kind of glow fabric could give out light continuously at night over 12 hours after absorbing the visible light for 10-15 minutes. Size: 50*75cm/20*30inch