1.90G Thicken Non Woven Fabric, sturdy and durable. Can be easily folded. 2.30 or 36 Numbered pocket holder can be selected. Perfect to store students cell phones and calculators when having class or tests, good for class management. 3.Each pocket with 3.9 W * 5.1 D inch size, fits even the largest models of cell phones and calculators. Numbered for each pocket, easy to match the numbered desk and find items in it.4 . 30 pockets with 2 3.6 * 3 1.8 inches and 36 pockets with 2 3.6 * 3 7.4 inches. Ideal for school, classroom, meeting room, university and dormitory storage, etc. About shlpping: All items will be shlpped within 3 business days after the payment is received. Most times you will receive them within 8-12 days then. The specific delivery time is depend on circumstances.Any questions, please feel free to contact us During the shopping process, if you have any questions, please feel free to consult us, we will reply you within 24 hours, wish you a happy shopping Thanks for your cooperation and we'll make you feel satisfied.