Optional Items: Style A, B, C, D, E, F, G. Reminder: Only Style D is shown in the video. Please refer to the product specifications and select the product you need. Thank you Style A: 2 layers without lock [Specification] [Material]: Polyester [Size]: About 37 x 10.5 x 27 cm (14.56 x 4.13 x 10.62 inch) Style B: 2 layers with lock Paword lock description: 1. The original paword is 000. If you receive the goods, remember to reset the paword. Be sure to remember the new paword (Set a three-digit paword, if you forget it, you can easily open it.) 2. After the normal unlocking, do not slide the paword number when the finger prees the key to prevent the paword from being modified. 3. Paword change method: Pre and hold the key on the right thumb and pull the paword to the left hand. When setting a paword, please choose a number that you remember in order to prevent the paword from being forgotten, resulting in no unlocking. 4. Locking method: Pre the button on the right hand and pull it out. The left hand picks up the zipper head and buckles it to the code lock. Then release the key and the zipper head will not fall out, indicating that the lock has been succefully completed Style C: 3 layers without lock Style D: 3 layers with lock Style E: Big Bags And Small Bags [Material]: Waterproof Oxford Cloth [Size]: Large Bag About 35 x 27 x 6 cm( 13.78 x 10.86 x 2.36 inch) Small Bag About 31(H) x 23(W) cm( 12.2 x 9.06 inch) Style G [Specification] [Materia l]: Oxford cloth 1.Tian Zi Ge 4 grid Pacard pocket/small certificate space 8-12 copies 2.Partition board A4 file pocket 3.Partition board,Zipper net pocket,A4 full open file pocket for real estate certificate/birth certificate 4.1 A4 pocket,Card Holder 12 sheets,4 USB key photo holder 5.Partition board A4 file instert bag for 3-5 copies 6.Tian Zige 4 grid paport/bankbook Holder 8-12 copies 7.Partition board A4 file instert bag for 3-5 copies 8.Compartment zipper net pocket vouch position A4 half opening position 18-30 sheets 9.Partition board,A4 double oblique net pocket,Put 10-20 sheets 10.Large Warehouse bag,Put 12-20 copies,Storage specifications,A4 file holde,Degree certificate/Archive bag Storage documents are easy to carry, simple and elegant, free to remove and add layers