HP Advanced Photo Paper resists water, smears and smudges. Good choice for printing in humid environments. Sturdy, glossy and water-resistant photo paper dries instantly for quick photo handling, passing around and stacking. Get true-to-life color photos without the guesswork. Photo paper features a 10.5 mil thickness and a 66 lb. weight.HP Advanced Photo Paper resists water, smears and smudges. Good choice for printing in humid environments. Sturdy, glossy and water-resistant photo paper dries instantly for quick photo handling, passing around and stacking. Get true-to-life color photos without the guesswork. Photo paper features a 10.5 mil thickness and a 66 lb. weight.