Features:The luminous necklace is composed of woven rope and resin pendant, which is comfortable to wear.Use sunlight, lights, phone flashlight or flash light for about 30 seconds, and it will glow in the dark.They will be very good clothing accessories, which can easily match with clothes in different occasions.Resin pendant necklace is the best gift for family, friend, brothers and colleagues.The jellyfish necklace is very suitable for hip-hop, rapper, band, party, bar, dating, studio photos and video shooting. Specifications:Material: ResinMain Stone Color: Green/Blue/Red/YellowSize: As Shown in the Picture Note:Please allow 1-2cm errors due to manual measurement, make sure that you do not mind before you order. Due to the difference between different monitors, the picture may not reflect the actual color of the item. Package includes:1x Necklace