The hook and eye closures are made of good quality, not easy to rust and fade. Easy to use and effective fasteners for any sewing project; The 2 parts could be buckle together side by side. Suitable for various sewing activities, you can apply them to fix up your broken pants, dresses, skirts, trousers, slacks, sweaters, etc. Specification: Material: Metal Hook Size: Approx. 14 x 12 x 3.5 mm / 0.55 x 0.47 x 0.14 inch Eye Size: Approx. 16 x 5 mm / 0.63 x 0.19 inch Package Includes: 10 Sets Sew on Hook & Eye Closures(4 Pack) Note: Please allow a little size error due to manual measurement. Please be reminded that due to lighting effects and monitor's brightness/contrast settings etc, the item's color may be slightly different from the pictures. Please understand.