Used these on my bike.
Styletech 498 Matte Black Permanent Adhesive Vinyl Roll 12" by 15 FEET-for Signs, Scrapbooking, Cricut, Silhouette Cameo, Craft, Die Cutters https://www.amazon.com/dp/B01MYU8Y4Y/ref=cm_sw_r_cp_apa_i_HL1ODbGXA29QW
Cheap n effective