• Pack of 60 nasal strips with improved SMART-FLEX 4.0 technology. • Increase breathing by up to 60% by expanding the nostrils. • Hypoallergenic, breathable, and durable adhesive for a snore-free rest. • Design with integrated arches that guarantee greater opening and better oxygenation. • Skin-friendly material, chemical-free and ideal for sensitive skin. • Suitable for professional sports use and for improving daily sleep. • Includes a free sleep manual guide via QR code.