Material:Stainless Steel 7 needle set. Different thickness and shape. For sewing leather, blankets, thicker fabric, canvas, tarpaulin, etc Great for repairs to many items such as bags, baskets, sofa, furniture to name but a few. Specification: Material: Stainless Steel Size Chart: Glove's needle:approx 50mm Carpet needle:approx 42mm Sail needle: approx 56mm Straight upholstery needle:approx 87mm Sack needle:approx 75mm Curved mattress needle 1:approx 50mm Curved mattress needle 2:approx 75mm Package Includes: ASetof7HandRepairSewingNeedles Note: Since the size above is measured by hand, the size of the actual item you received could be slightly different from the size above. Meanwhile, please be reminded that due to lighting effects, monitor's brightness / contrast settings etc, there could be some slight differences in the color tone of the pictures and the actual item.