Attached files are the design documents which may help you to understand.But the small amount of your order is a problem for our MOQ is 2000pcs(sets),and if you could enlarge your order,the price will be more favorable.Please kindly consider about it. Attached files are the design documents which may help you to understand.But the small amount of your order is a problem for our MOQ is 2000pcs(sets),and if you could enlarge your order,the price will be more favorable.Please kindly consider about it.