Easy to use and weather-resistant, this cleverly-designed A3 snap frame is perfect for displaying signs, certificates and other promotional material either indoors or outdoors. The 25mm black frame features a strong, non-reflective PVC window and interior rubber seals to prevent moisture from damaging material or creating condensation. The spring-loaded snap design makes it easy to insert and swap-out new material as needed. Frame comes in A1, A2, A3 and A4 sizes.