1.The products can be customized according to your demand can change the material ,cor,can also control the cost of production,to achieve your requirements,simlarly also can produce the sample your bring 2.If you need to make a sample ,usually takes about 5 dias,not including LOGO ,According to the bag of varying degrees of difficulty ,the sample fee from ￥300-￥500,As long as you oder more than 1000PCS we will refund the sample fee
