TEFRENU Binder Notebook Size:A4 Feature 3: Attach it to

Feature 3: Attach it to steel-surfaces by magnets

Standard popular series of stationery meets new color

Feature 1: Insert the document into the top and bottom flaps

Feature 4: Use the strap to attach it to your bag

even when your hands get a little sweaty

TEFRENU Binder Notebook Size:A4 Feature 3: Attach it toBinders with separated ring mechanism that do not block your hand. Feature 1: Rings do not block your hand while you're writing. Feature 2: You can exchange or add loose leaf paper. Ring mechanism can be opened by one touch operation, which enables you to exchange or add paper with ease. Any loose leaf paper is available.