Gradient Diamond Wear Hand-painted Nail FinishedProduct information: Product Name Color classification: XS code 51 juan S code (suitable for 80% of people) 51 juan M code 51 juan L code 51 juan change nail size size non refundable 51 juan Measurement: wrap the nail with a soft ruler. measure the curvature of the widest part of the nail size rather large than small. if it is 11. 5mm even 12mm many people two hand size is not the same. so it is recommended that ten fingers are measured Oh. nails flat