The beads only change color in UV light, not regular house lights.
These beads are made with 100% FDA approved food grade silicone, Non-toxic, odorless, and BPA Free, PVC Free, Phthalates Free, Cadmium Free, Lead Free and Nitrosamine Free. They are heat-resistant; safe for dishwasher, microwave & freezer.
Never leave a child unsupervised with any of our products. Please inspect all the items before any use and discard if any damage is seen.