20pcs 30 Hole LoosE leaf Plastic Binding Ring Spring Spiral Rings for A4 Paper

Features: This is a plastic loose leaf paper binding ring, made of good quality plastic material. The plastic ring has good toughness and can be used repeatedly. Manual binding operation is convenient, can cut off excess ring after binding. 11mm can bind 75 sheets of paper, 13mm can bind 85 sheets of paper, 19mm can bind 150 sheets of paper. Suitable for 30 holes A4 paper , 26 holes B5 paper , 20 holes A5 paper . You can cut it according to your needs. Specification: Condition: 100percent Brand New Material: plastic Package List: 20 x Plastic Binding Ring