PREMIUM PORTABLE ALUMINUM CASE WITH 2 LAYERS: Presented in an elegant aluminum case, perfectly sized for travel convenience. The aluminum alloy frame ensures rust resistance, durability, and waterproof properties. The chrome-plated handcuffs boast smooth edges for a secure grip. With a double-layer design offering super-large capacity, this art set maximizes space efficiency and allows for expansion on the upper layer. SAFE AND NON-TOXIC 145-PIECE COLLECTION: This comprehensive art set includes over 3 varieties of painting mediums, such as markers, colored pencils, watercolor paints, oil pastels, palettes, and additional accessories. Subject to safety monitoring, the collection is safe and non-toxic, making it suitable for children aged 3-12. The environmentally friendly formula is washable, mild, and gentle on your child's skin. VIBRANT AND LIVELY COLORS: Crafted with precision using high-quality materials, H & B art sets offer scientifically matched colors. Whether it's crayons or colored pencils, the hues are vivid and saturated, adding vibrancy and allure to your creative endeavors. This collection is designed to inspire and assist children in expressing their artistic visions.