In order to expanding the market, we offer the service of free sample .Generally speaking, all the sample making time need about 3-5days.If you have interests in our products, please feel free and contact me. I am Ms.Linda Shen. Hope to hearing from you. Specifications in detail E-mail：wendyshenhui@hotmail.com  yzly005@lanyu58.com 1． OEM and ODM are acceptable 2． Packing:1 pair per oppbag,100pairs per carton 3． Logo: embroidery or printing as per customer's requirement 4． We can offer prompt delivery 5． Refined workmanship for our products 6． High quality and competitive price 7． Quality assurance: comfortable, durable reliable environment-friendly and safe. 8． Our products are exported to many countries such as USA,Canada,Europe,South America.