Pencil Sharpener Shell is Made of Durable Clear Transparent High-quality Plastic, the Internal Blade is Made of High-quality Carbon Steel Blades, Not Easy to Rust, Non-toxic & Tasteless, Will Not Hurt the Childs Hands, Allows You to Sharpen Your Pencil Set Effectively & Reliably Sculpt Pencil Set to Sharp Points. It has 2 Different Sized Holes Which Makes It Accommodate Standard to Large Sized Pencil Set. Features a Spill-proof Design & a Clear Transparent Shavings Receptacle, So You Will Know Exactly When to Empty the Easy-to-clean Shavings Tray. It is Suitable for Schools, Classrooms, Offices, Homes, Art Projects, Studios, Etc., Providing Essential Stationery Supplies for Students, Teachers & Professionals.