We use lead-free solder, which is safer and more expensive than regular solder. -------------------------------------------------- [Note] Painted with water-based acrylic paint for ceramics and then fired. Please refer to the image for the size. * There may be streaks or air bubbles in the glass that occurred during the manufacturing process. * The actual product may look different from the image due to lighting conditions. * These items are handmade as a hobby, so there may be slight variations in glass size and alignment. Please understand that returns, exchanges, and cancellations are not possible after purchase. We appreciate your understanding. * The soldered areas are polished with poly wax for rust prevention. However, the white rust characteristic of stained glass may occur. You can enjoy the antique look, but if you are concerned, you can clean it again with poly wax. In that case, rubbing the brown solder areas too hard may cause the color to fade. Please be careful.