3 piece, ‘Pardon Our Dust’ sign kit includes 2 corrugated plastic sign board inserts measuring 22 x 28 and 1 Quick Change Sign Holder made of durable plastic no rust, splinters, discoloration or maintenance Signs quickly slide in and out and stay securely in place, no clips, bolts or additional parts needed Corrugated plastic sign boards designed for repeated indoor or outdoor use, these signs can be moved easily and left out in rain or sunlight without being damaged Great for use during store construction, remodels or resets