DURABLE CONSTRUCTION DRY BAG - Designed for active water sports and dusty environments the KastKIng Cyclone Seal dry bag is rugged, flexible, and abrasion resistant. A super strong and abrasion resistant 500D PVC construction with precision ultrasonic welded seams provide a superior seal to prevent water intrusion. Provides a complete waterproof bag system for any environment. Perfect for Fishing, Camping, Kayaking, Hiking, Beach, Boating.WATERPROOF PROTECTION – The KastKing Cyclone Dry Bag seal system provides an extra layer of PVC to ensure a best-in-class waterproof seal on a dry storage bag. Gives you total piece of mind to protect your valuable items from getting wet. Also has special splash-proof outer zipper pocket..HEAVY DUTY - Tough, resilient Spider buckle will not fatigue and break. Heavy duty self-locking clips will hold oversize loads. Cyclone waterproof bag buckles and clips are made of heavy-duty nylon and will not rust in any wet conditions. Reinforced strap attachment points..CONVENIENT EASY CARRY - Easy-to-Carry side handle lets you carry your dry bag with comfort and convenience; shoulder bag sling strap on 10L and 20L sizes, double comfortable backpack style shoulder straps for 30L size with shoulder pads to spread the load evenly to reduce shoulder strain. Use as a kayak bag, boat bag, dry hiking bag, or swim bag..BONUS FEATURES – The Cyclone Seal Dry Bag also offers many great bonuses. The Zippered Water resistance front pocket is good for credit cards, keys or useful tools. The reflection strap on the zipper is a great safety feature.