Happy First Birthday! The Sweet at One Boys High Chair Kit is a great set of decorations whether it be for a party or just for a family celebration. The small banner is perfect for the front of the high chair tray, while the mat catches any falling mess and the bib protects his birthday outfit! Item Includes: Mini Flag Banner. Floor Mat. Plastic Bib. Fit and Sizing: Mini Flag Banner = 79cm long. Floor Mat = 122cm x 76cm.