Oceans Waterproof Blankets are the only 100% fully waterproof blankets on the market. Our engineers have eliminated water seeping - ensuring your warmth and comfort even in the great outdoors. 78 x 58, our Water Proof Blank is huge, so there's plenty of room for all your loved ones to enjoy. Use it as a sand-proof beach blanket protector with the family's indoor comfort, outdoor adventure. We make products for people like us. For people who long to dive the Oceans family is built on the foundations of compassion and adventure, because like you, we don't shy away from a challenge.