This package features Avengers-themed highlighters, perfect for return gifts. They are designed to prevent smears and smudges, with smooth, quick-drying ink that ensures clean marking of important documents. The highlighters come in various colors, use water-based fluorescent ink for high visibility, and are made with non-toxic ingredients. With their quirky and cute design, these trending office and school stationery items are suitable for all types of paper and make great return gifts for kids.