features: 1.safe and durable 2.max use value 3.low maintenance 4.different themes and colors 5.convenient to carry quick to come into shape. 2.after-sale service: Our provides you with 5 years guarantee for fiberglass hulls and hypalon tube, 3 years guarantee for pvc tubes, 1 year guarantee for accessories. OEM and ODm are both 3. Q : Do you charge for the samples9 A:According to our company policy,we just charge the samples based on EXW price.