There is one large air bubble inside. Please purchase only if you understand that it looks like a bubble. m(*_ _)m Large sphere Size → Diameter 25mm Please refrain from purchasing if you are looking for a perfect sphere. m(*_ _)m The necklace is a black string! ⚠️ Can be changed to a silver chain necklace! Please let me know. ☆━━━━━━━━━━━━━━━☆ This is a handmade work by an amateur ❁*·⑅ I make it with all my heart, but please refrain from purchasing if you are looking for perfection <(_ _*)> Search for other works → #SparklingStarResin Resin Handmade Accessories Glitter Blue Round sky sky earth The sky