QUALITY GUARANTEE & PROFESSIONAL SERVICE - INFELING strives to bring you the highest quality acrylic nail tips. We have a 24 hours customer service and a one-year warranty. Any problem, kindly contact seller first. VARIOUS SIZES - 300pcs long coffin nails offers 10 different sizes with 30 nails of each size numbered 0-9 individually, so they're convenient to choose the most suitable size that fits your every finger. WIDE APPLICATION - INFELING long coffin nails are great for professional nail technician on Nail Salon and nail art lover at Home DIY. Perfect for various occasions like wedding, party, function, or for casual use. HIGH QUALITY MATERIAL - INFELING long coffin nail tips are made with high quality ABS material, which is thick and sturdy enough to last about 2-3 weeks. What's more, ABS is a kind of green environmental friendly material, providing you a safe and comfortable nail doing experience. Perfect for poly nail extension gel dual forms. UPGRADED EXTRA LONG SIZE & C CURVE - The INFELING long coffin nail tips are upgraded on the basis of long coffin nails, and the length has been lengthened to become XXL coffin nails with C curve. You can modify its shape or length according to your needs.