Nylon Anti-tear Fabric with Cotton Lining Outfit with Quality YNS Buckle and SBS Zipper; 30L Capacity with Water Resistant Rain Cover for your Maximal Stuff Package; Special Chest Whistle and Elastic Mesh Back compartment for your Safe and Comfortable Outdoor Movement

• Please attention?As for manual measurement, please allow 1-3cm error. Please chose your size accoding to your special situation. All the size just for reference,if you would like to change the item because of the wrong size, you should pay the double shipping cost.
• Quality Nylon Anti-tear Water Resistant Fabric, Cotton Lining, Water Resistant Rain Cover, YNS Buckle and SBS Zipper, 30L Capacity Maximal Capacity with Special Chest Whistle and Elastic Mesh Back compartment Design
• Special Chest Whistle combines with Elastic Mesh Back compartment for your Safe and Comfortable Outdoor Activities
• Water Resistant Nylon Fabric with Rain Cover wicks away rain or moisture and dries quickly
• Please hydrolysis appropriate neutral detergent in warm water first; And Soak a sponge in the water with neutral detergent for about 5 minutes and use it to remove any visible dirty, no bleach or fabric softener; If the zipper is metal, after you clean with sponge please use a dry towel wicks away the moisture; Please use swab or small brush to clean the buckles lightly and then use towel to dry them; Don't dry it in the sun, air dry is better.

Please attention?As for manual measurement, please allow 1-3cm error. Please chose your size accoding to your special situation. All the size just for reference,if you would like to change the item because of the wrong size, you should pay the double shipping cost.