The light from this bottle will make your house beautiful and illuminated. You can show your love to your loved ones by decorating this light bottle. This is a perfect laminar sand glow bottle for any party. Feature: 1. DIY starry wish bottle, fantastic, wonderful. 2. It can be used Infinite cycle. 3. Luminous sand is shining through sunlight, daylight lamp, and outdoor natural light, and enters into a light and dark environment. Specification: Net weight: approx.10g Color: as the  picture shows Packag included :  1 bag Noctilucent Sand (without bottle) Note: Please allow 1-3mm differs due to manual measurement. Due to the different display and different light, the picture may not show the actual color of the item. Thanks for your understanding.