Compass Map Ruler and Transparent Waterproof Map Bag, Product information: Material: pvc plastic (20 ply thick) Product size: 26.8 x 30.8cm Product weight: 62g Package: opp ziplock bag Product features: Transparent pvc material, waterproof zipper at the bottom, foldable Description product features: 1. Strong sealing and good water resistance. 2. It has waterproof, sand-proof, dust-proof, snow-proof and salt-proof layer. Precautions: 1. Please do a leak test before each use; 2. Please avoid strong impact and keep away from sharp objects to avoid damage to the product and affect its function.Please do not expose the product to sunlight for a long time; 3. In order to avoid the influx of water, please be careful to dry the bag urgently after use, and then remove the contents of the bag with the mouth down.