Title Options:

• Option 1 (Focus on style): Stylish Unisex Sunglasses with 100% UV400 Protection
• Option 2 (Focus on protection): 100% UV400 Protection: Stylish Unisex Sunglasses for Superior Eye Care
• Option 3 (More concise): Unisex Sunglasses: UV400 Protection & Trendy Style

Meta Description Options:

• Option 1 (Benefit-driven): Elevate your look with these trendy unisex sunglasses offering 100% UV400 protection. Stay stylish and shield your eyes from harmful rays.
• Option 2 (Keyword-rich): Unisex sunglasses, UV400 protection, stylish eyewear, trendy sunglasses, sun protection, eye care. Shop now for the perfect pair!
• Option 3 (Concise and compelling): 100% UV400 protection meets on-trend style. Shop our unisex sunglasses today!

Why these are SEO-optimized:

• Keyword Targeting: The titles and descriptions incorporate relevant keywords like “unisex sunglasses,” “UV400 protection,” “stylish sunglasses,” and “trendy sunglasses.” These are terms people likely search for when looking for this product.
• Clarity and Conciseness: The language is clear, concise, and easily understood by search engines and users.
• Benefit-Oriented: The descriptions highlight the benefits of the product, such as UV protection and style, encouraging clicks.
• Call to Action (Implied): Options subtly encourage users to take action (e.g., “Shop now”).
• Mobile Friendliness: The descriptions are short enough to display well on mobile search results.

Improvements:

• Expanding on the key features: Instead of just stating “protection,” the enhanced options specify “100% UV400 protection,” a crucial detail for buyers.
• Adding persuasive language: Words like “elevate,” “superior,” and “trendy” make the product more appealing.
• Improving grammar and style: The English versions are grammatically correct and flow smoothly.
• Incorporating a natural call to action: While not explicitly stated, the language encourages a purchase.

Remember to choose the title and description options that best fit your overall marketing strategy and target audience. You may also want to A/B test different versions to see which performs best.