Safe material: All the beads are made of healthy and environmentally friendly materials, so you can use it with confidence.Note:1. Due to the light and screen difference, the item's color may be slightly different from the pictures. Please understand.2. Please allow 0.5mm-1mm differences due to manual measurement3. Due to different production batches, monitoring Settings are inevitably different.The color shown in the picture may not be exactly the same as the color on the item.