article_snippet.sent: SAND-PROOF BACKPACKS .
article_snippet.sent: Life’s a beach, but not when sand gets into your beach bag.
article_snippet.sent: The Shake Backpack is designed to keep your items in and the sand far away.
article_snippet.sent: When sand begins to intrude, just flip a reversible flap pinned to either side and shake away.
article_snippet.sent: The Shake Backpack is designed to keep your items in and the sand far away during days on the beach .