Spacer Tray 12/Pk Small Upper Perforated #7D by GC America SKU 970-1735AA 123 $11.99 1 2 3 4 5 6 7 8 9 10+ Quantity Quantity Sold out #7D Small Green Perforated Upper Full-Arch Plastic Impression Tray, Zig-Zag Design, Package of 12 Trays.