VISKEY Alumina Knitting Needles Set, Pack of 1 Set Product material: aluminium oxide The size of the bag is 7.09"*5.3"/18*13.5 There may be a little color aberration because of the ligth of taking photo, screen resolution or other factors. There are 12 differents sizes of the aluminium alloy: 2.0mm, 2.5mm, 3.0mm, 3.5mm, 4.0mm, 4.5mm, 5.0mm, 5.5mm, 6.0mm, 6.5mm 12 different sizes of the stainless steel:0.6mm, 0.75mm, 0.85mm, 0.9mm, 1mm, 1.1mm, 1.25mm, 1.3mm, 1.5mm, 1.5mm, 1.6mm, 1.75mm, 1.9mm