Consumer Products What does 100% waterproof mean? February 2, 2026 by Mercier | Leave a Comment What Does 100% Waterproof Mean? When a product is labeled as 100% waterproof, it means that it is completely impervious to water penetration. This designation ensures that the item can withstand water exposure without any damage or leakage. Whether it’s a watch, jacket, or smartphone, understanding the true meaning of 100% waterproof is essential for […] Read more ยป