Seamless clip hair extensions are clip-in extensions where hair has been fused to a THIN, Flexible, silicone weft. That attaches closer to you parting with detection for a natural look. Perfect for super flat ponytails. Easy to DIY, no stylist needed. Easy to add and remove daily. 1 bundle = 7 pieces, 16 clips in total in a set. 1 set recommended for finer hair. 2 sets for thicker and short hair.