[PATENTED XCOATTIPS GEL TIPS WITH TIP PRIMER]: With the patented technology, BTArtbox XCOATTIPS GEL TIPS are well combined with soft gel tips and tip primer, which makes the nail back comes with a coarser matte and more effectively remove the nail grease in advance, so that the nails are stronger adhesion with nail glue and not easy to fall off. NO need to file again. Create a light-cured, preshaped nail enhancement in 20 minutes or less! Save more time, save more money | [REVOLUTIONARY MATERIAL - 0 PRESSURE ULTRA FIT]: BTArtbox square nail tips are made by soft gel which is soft and flexible, 0 pressure on your nail beds with our upgraded super thin technology. Seamless fit at cuticle line with a gentle flex.Thin back edge, thick front edge，natural look | [UPGRADE 15 SIZES FIT All NAILS]: (Includes 300 pcs nail tips ONLY,NO glue)BTArtbox extra short gel nails provide 15 sizes from 0 to 14, 20 tips for each size，total 300 pcs tips. These extra short nail tips are more suitable for the medium and short nail bed.With the professional US nail sizes database, we offer the most-used 15 sizes,make it easier to find one that suits you | [FIT BOTH FLAT AND CURVED NAILS]: BTArtbox full cover soft gel tips are flexible and sturdy. They can get back into shape after bending, no trace and crack, and with the patented building technology, it can fill the gap perfectly | [EASY TO REMOVE AND SOAK OFF]BTArtbox gel nail tips are soaked off without extra pollution, real environmental friendly and no harm to your finger nails. Please file the top layer before being soaked off