100% Safe and healthy material to use without bad smell or any other harmful substances for body.Environmental protection ABS materials, impact resistance, good toughness.Black sharp press nails are great for nails salon.Perfect to be used on wedding ,prom ,dating, and they also suitable for Halloween, Christmas ,Valentine's Day and other festival.Stiletto nail wonderful as gift for girlfriend,family and friends. How To Use: 1:File the sides and cuticle area for an accurate fit with manicure stick. 2:Clean nails by prep pad and keep you nails dry. 3:Select the correct size nails for each finger,apply glue stickers to nails. 4:Press the false nails on your own nails and hold for 10 seconds. 5:Trim the excess part by nail file and finish! Remove Tips: 1:Put your nails in warm water for 2 minutes and false nails can be removed easier. 2:Do not remove it abruptly which may leave some mark of the nail stickers on your nail surface. Please note: 1:Try not to get your hands wet the first few minute you wear the false nail. 2:You can use your own glue which will make the nails stay on your nails longer. 3:There maybe a little color difference due to the monitor and the light effect.