Features:The snap buttons are made of fine resin ,safe and no harm to people.There are three sizes of snap buttons to meet your different needs.Scope of use: windbreaker, belt, woolen coat, shirt, sweater, trousers, backpack, suit, down jacket, cotton coat, shoes, hat, jacket, cheongsam, work clothes, jeans, etc., you can also DIY various small objects.1000 set a bag,and each set includes 2 button cover,1 mother button and 1 son button.Professional and practical design with beautiful appearance, easy to carry and use.Specification:Color:White/Black/Blue(Optional) Type:(Optional)T3 Button Diameter:10mm / 0.39in Needle Length:5.2mm / 0.2inT5 Button Diameter:12mm / 0.47in Needle Length:6.5mm / 0.26inT8 Button Diameter:14mm / 0.55in Needle Length:7mm / 0.28inPackage List:1000 set of Buttons