Primos 255 Wet BoxâDon't let the weather stop you from using your box call. The Wet Boxâ is coated with our special proprietary formula that will last for years and is unaffected by repeated soakings. If you're the type of hunter that isn't going to let the rain stop you, then this is the call for your. The Wet Boxâ yelps, cuts and purrs even when wet.100% WaterproofBest sounding waterproof box call ever