Band-Aid Brand Water Block Flex Adhesive Bandages cover and protect minor cuts, scrapes, and wounds, especially on knees and elbows. Specially designed for use on knees and elbows, these 100% waterproof bandages are ultra-flexible design and durable protection, even when wet. Box containing 7 Extra-Large Band-Aid Bandages. Product information is provided by the product vendor. This content is a summary for informational purposes only and does not have all possible information about this product. It should not be used as a substitute for advice from health care professionals, as this information alone does not assure that this product is safe, effective, or appropriate for you. For more detailed information on this product, including reported and possible side effects and contraindications, refer to the manufacturer's monograph, or speak with a health care provider.