Rosvin Bugs- Only manufacturing defect will be considered.Return wil not be considered if used prescription lens are fitted. Exchange within 7 days after receiving the product JadeBlue- You can conveniently return or exchange any item within 15 days from the date of delivery. Ray & Dale- We offer a very simple and easy NO QUESTIONS ASKED 10 days return policy to you. Rockport- The item should be unused. The original packing and tags must be in place. The goods must be returned within 7 days from the date of delivery Specimen- We have 30-days Return Policy.