Size:app 11.5cm long Material: stainless steel Color: Silver Package includes: 1pcs blackhead needles 100% Brand New & High Quality To minimize damage to your skin an effective way to remove blackheads Instruction: 1.Pierce the infected part(acne) with a sharp acne needle. 2.Then gently press the infected part with the ring end,assure the infected part is in the ring. 3.Carefully move the needle to remove acne,after using,clean the skin with skin tonger,then skin may feel refreshing,clean,tender and supple.