You'd better punch holes with a punching tool using the buttonhole and pliers. pay attention to the direction of the buttonhole and the pliers, the wrong direction will cause damage to the buttonhole. Add the washer to the grommet, which can help make stronger, not easy to loosen. The bottom of the is flowering design, it is not a defective effect.You will a fabric grommet tool kit included 600pcs metal 1/4 inch 6mm silver and gold, 600pcs matching washers in silver and gold, 1* handhold punch pliers, 1 * hole punchThe grommet tool kit for fabric come with pliers which made of carbon steel, chrome-plated on the surface, the handle of hole punch pliers is plastic-impregnated, which is comfortable to grip, easy to take to any place. The pliers can apply the into a of materials such as fabric, leather, soft and thin plastic, acrylic, canvas, , and moreThis grommet pliers kit comes with 600pcs metal washers in gold and silver, which can help make stronger, not easy to loosen.Specifications:Material: The pliers are made of Carbon steel, chrome-plated on the surface, the handle of pliers is plastic-impregnated, which is comfortable to grip, easy to use, and effortless.Size: : 0.25 inches Grommet Pliers: 6.7inch in lengthMaterial: Metalcolour: Silver + GoldPackage Contents:300 x 1/4 inch Silver Metal 300 x 1/4 inch Gold Metal 300 x Silver Metal Washers300 x Gold Metal Washers1 x Leather Hole Punch Tool1 x Portable Handheld Manual Grommet PliersOnly the above package content, other products are not included.Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.