HEETA Waterproof Dry Bag for Women Men, 5L/ 10L/ 20L/ 30L/ 40L Roll Top Lightweight Dry Storage Bag Backpack with Phone Case for Travel, Swimming, Boating, Kayaking, Camping and Beach Black Color:Black and designed using accurate head

and designed using accurate head mapping data for optimum comfort

The breathable pads would reduce sweating during hot days

You can adjust the quantity and position of the straps according to your needs

offering a 33 lbs (15kg) maximum tensile force

HEETA Waterproof Dry Bag for Women Men, 5L/ 10L/ 20L/ 30L/ 40L Roll Top Lightweight Dry Storage Bag Backpack with Phone Case for Travel, Swimming, Boating, Kayaking, Camping and Beach Black Color:Black and designed using accurate headHEETA Waterproof Dry Bag for Women Men, 5L 10L 20L 30L 40L Roll Top Lightweight Dry Storage Bag Backpack with Phone Case for Travel, Swimming, Boating, Kayaking, Camping and Beach Read more Multiple ways of wearing Side portable handle design for easy carrying One shoulder strap design can be used as cross bag and shoulder bag. Large capacity models have a double shoulder strap design to reduce shoulder burden. Read more Additional Waterproof Phone