This all-in-one refill kit provides everything you need to get you refilled on your at-home gel manicure journey. The 4-piece set includes: (1) Gel Nail Primer, (1) 2-in-1 Gel Base Coat & Top Coat, (1) 2-in-1 Nail File And Buffer, and (1) Manicure Stick. It features an easy 3-step application that cures in 30 to 60 seconds and lasts up to 2 weeks. Step 1: Prep - File, wipe, and cleanse the nail, prime with gel nail primer, and apply the 2-in-1 Base Coat & Top Coat then cure with the Nails.INC automatic LED lamp. Step 2: Apply - Paint on the gel polish color and cure, apply second coat and cure. Step 3: Protect - Apply the 2-in-1 Base Coat & Top Coat then cure. The formula is vegan & cruelty-free and is 15-Free of "no-no" ingredients, removing adverse ingredients and harsh chemicals. It is free of phthalates, parabens, gluten, and much more. A Nails.INC GelLED Lamp or On-The-Go Mini Portable LED Lamp is required for application. Nails Inc London is a female-founded innovation-obsessed brand, tapping into TikTok generated trends and other social media must-haves. They offer a range of luxury nail polish and accessories.