Magnet Bar : Features: 1) Back cover: 250gsm grey board, gloss laminated , a magnet bar sticked magnet bar padFeatures:1) Back cover: 250gsm grey board, gloss laminated , a magnet bar sticked2) Inner sheet: 70gsm wood free paper, ruled line and margin3) Size: portable size, easy to stick 4) Sheet: 60, 80, 1005) Binding: glued on top Pads