When choosing cardstock for cake toppers, it's important to consider its thickness and durability. One popular option is heavyweight cardstock, which provides stability and support for intricate designs. It comes in various colors, allowing you to choose the perfect shade to complement your cake theme. Another suitable choice is glitter cardstock, which adds a touch of sparkle and elegance to your cake toppers. Ultimately, selecting a cardstock with good quality and appropriate thickness will contribute to creating beautiful, sturdy cake toppers.