Number Bolt Underwater Flower Butterfly Set of 2 ● Red Gold Red Flower Orange Flower Butterfly Gold Dust ● Bolt Size Stainless Steel M6 x 20mm Washers and nuts included Due to being handmade, there may be cloudiness, air bubbles, slight differences between the left and right sides, and imperfections in the finishing on the back. Please understand and purchase accordingly. m(_ _)m Over-tightening may cause damage, so please be careful when installing!