Removable Nest Tray Everything Your Purple Martins Need The Lonestar Nest Tray makes maintaining your martin house easier than ever. These trays fit snugly inside your Lonestar purple martin houses and can be easily removed for checks or cleanouts. Place nesting material inside this tray to better attract purple martins. Constructed of white pine and polyimpact styrene, this lightweight tray will certainly help bring martins to your yard, season after season. Lightweight Easy Clean Up Constructed of White Pine In Stock-Ships Fast