Product Name: Waterproof 5V Round Memory Foam Cushions for Office Chair Model NO.: RS-C003 Pattern: Embroidered Technics: Handmade Feature: Waterproof, Memory, Anti-Decubitus Filling: Memory Foam Material: Cotton Shape: Round Usage: Heating Style: Heating Cushion Voltage: 5V Wattage: 9W/PC Application: Car and Chair Advantages: Waterproof, Bending Resistance Bending Resistance: Yes, More Than 12500000times Heating Wire: Composite Fiber Port: Shanghai or Ningbo Waterproof: Yes, Can Wash in The Water Payment: 30% T/T in Advance, Remainder 70% Paid Before Ship Trademark: Risheng Transport Package: Customsized Specification: 30.5*5cm Origin: China Product Description Waterproof 5V round memory foam cushions for office chairVoltage5VWattage9W/pcBending ResistanceYes, More Than 12500000timesSize30.5*5cmQ: Are you trading company or manufacturer ?A: We are a manufacturer with own factory, professional in electric heaters more than ten years.Q: How long is your delivery time?A:Generally it is 3-5 days if the goods are in stock. 3 to 7 working days for sample,7 to 12 working days for massproduction goods.Q: Do you accept customized?A:Yes , we have different customer make their own OEM product .so we also can make product as per your requirement