School kit contains 11 math essentials in binder pouch. Contents include plastic compass with safety point and built-in writing instrument adapter; compass pencil; 0.5mm automatic pencil; pencil sharpener; eraser; 6" (15cm) ruler; 30 degree/60 degree plastic triangle; 45 degree/90 degree plastic triangle; 180 degree plastic protractor; and a lettering guide. School kit is packaged in zippered pouch with reinforced binder ring holes. Fits easily inside standard-size, three-ring binders.