Package Contents: You will receive 5 pieces 4 x 4 cm black square pen loops, 5 pieces 4 cm round pen loops, the pen loop size is 1.8 x 2 cm, the quantity is sufficient to meet your daily needs. Product Material: The pen loop is made of PU leather, good toughness, waterproof and moisture-proof, wear-resistant and scratch-resistant, not easily broken, sturdy and durable, can be reused for a long time. Elasticity: The pen loop has an elastic band design, elasticity, loose fit, the pen will not fall off easily, but also convenient to carry, you don't have to worry about losing your favorite pen. Convenient to Carry: Our pen clip has a self-adhesive backing, you just need to peel off the protective paper, the clip can be stuck to the place you need, can be carried at any time, easy to solve the problem, do not find the pen. Wide range of applications: can hold a variety of pens, such as capacitive pen, pencil, brush, etc., can be pasted on the notebook, folder, tablet case, convenient and practical.