This is a beautiful silver tone closing hairpin featuring the Omega Nebula, Dumbell Nebula, Carina Nebula, and the Crab Nebula. Size: 2.5" x .5" (6.5cm x 1cm) Image sizes: 0.4" (10mm). Material: rhodium-plated brass, glass. Our jewelry is individually handcrafted and may slightly vary from the photographs. Our products are not waterproof - please avoid getting our pieces wet. All products will come with this care information. Our jewelry makes a great gift or stocking stuffer!