Capacity and material: these one step nail gel pens are made of resin ingredients with non-toxic formula, which are safe and reliable to apply on your nails; Each nail pen measures 4.92 inch/ 12.5 cm in length with 0.39 inch/ 1 cm brush, and a capacity of approx. 5 ml, suitable for different types of nails. Widely applied: our 3 in 1 UV LED nail polish pens are widely applied in nail salons or personal nail art, they are suitable for nails, toenails, natural or fake nails, acrylic nails, and DIY your own nails, vibrant colors are easy to match your daily wear and make you more attractive. Widely applied: our UV LED nail polish pens are widely applied in nail salons or personal nail art, they are suitable for nails, toenails, natural or fake nails, acrylic nails, and DIY your own nails, vibrant colors are easy to match your daily wear and make you more attractive. Soak off UV or LED gel nail polish: please note the nail polish pen needs to be exposed under the LED/ UV lamp; Average for LED lights 60 to 120 seconds, UV lights 5 to 10 minutes. Step for usage: first shape your nail surface, apply the base coat, put under the UV/LED lamp, apply 1st layer of color coat, put under the UV/LED lamp, apply 2nd layer of color coat, put under the UV/LED lamp, apply the top coat, put under the UV/LED lamp, finally complete (please note this package do not include base and top glue).Best Sellers Rank: See Top 100 in Beauty & Personal Care. Liquid Volume: 5 Milliliters. Number of Items: 6. Unit Count: 1 Fl Oz. Age Range (Description): Adult. Material Feature: Non-Toxic. Type: gel. Color: Elegant Light Color. Item Form: Gel. Brand: Maitys. : B08FCB2WS5. Manufacturer: Maitys. Package Dimensions: 6.34 x 5.04 x 1.38 inches; 3.53 Ounces.