1.[Slide Rail 4 Trays]: The slide rail expands smoothly, does not slide out when not in use, and is firmly connected. The 4-tier tray helps you organize makeup tools, lipstick collections, palettes, and makeup brushes. 2.[Sturdy Makeup Rolling Case]: Grade-A aluminum and metal reinforced edges and corner has great performance in abrasion resistance and is characterized by its lightweight and durability. Aluminum pull rods provide smooth operation and corrosion resistance as well. The waterproof black surface makes this makeup trolley case an excellent protector for outdoor cosmetics. 3.[ Storage Trolley]: There is also a large bottom has a great storage for hair styling tools, cosmetics and nail tools. Perfect for professional makeup artists, hairstylists, manicurists, tattoo artists or those who have a mountain of cosmetics. 4.[Makeup Trolley with 360° Swivel Wheels]:This train case equipped with four high quality 360°swivel wheels providing smooth and silent moving, more labor-saving. Detachable wheels can be easily removed or replaced if needed.