Water resistant. The patch is made with Pro Extreme water-resistant adhesive that stays put in the pool, ocean, or anywhere else. Ultra-breathable. The ultra-breathable synthetic fabric is designed for maximum comfort and durability. Long-lasting. The KT Tape CGM patch is secure for up to 7 days, saving you the hassle of daily changes. Gentle on your skin: KT products are hypoallergenic, latex-free, and rubber-free; developed to reduce triggers of allergic reactions; safe for most skin types, but we recommend testing a small piece if you are prone to irritation. What you get: Each pack contains 20 patches, pre-cut to fit your device perfectly.