Features: 1. Including: black slightly curved trucker hat + dark olive slightly curved trucker hat, and equipped with 4 self-adhesive leather cap stickers, just need to tear off the back glue, 3m glue, easy to stick the hat, simple and convenient; 2. 4 pieces of engraved leather cap stickers: the size of the hat stickers is 3.54''-2.5'' (9*6.3cm), 2 pieces each of black and dark brown, different from the general leather hat stickers in the market, this cap sticker can be engraved with gold and silver patterns, words, logos, etc., such as "DAD" and "BRIAN", or any pattern you like to engrave with a laser engraving machine and marking machine, making it a gift exclusively for you or someone you love; 3. Gift giving: very suitable for father as a gift, also suitable for a dear husband, or as a best man gift at a wedding, or as a gift for brothers and friends; 4. Material: The mesh cap is 80% polyester and 20% cotton. The trucker mesh cap is perfect for summer, breathable and comfortable. The hat is adjustable, the size of the hat is 19.68''-23.62''(50-60cm); 5. Compatible with most laser engraving machines and marking machines on the market, including ATMOSTACK, XTOOL, GlOWFORGE, LaserPecker, etc. The engraving parameters vary depending on the machine or power, please consult customer service for specific engraving parameters; Specifications: Product size: Hat: 19.68"-23.62" (50-60cm), cap sticker: 3.54"-2.5" (9*6.3cm) Notes: Due to the different monitor and light effect, the actual color of the item might be slightly different from the color showed on the pictures. Please allow 1-3cm measuring deviation due to manual measurement. Thank you for your understanding! Packing List: Black slightly curved trucker hat*1+dark olive slightly curved trucker hat*1+black gold base leather*1+black silver base leather*1+dark brown gold base leather*1+dark brown silver base leather*1