There's Always Something New at Dayva. Dayva has grown rapidly into a leading worldwide supplier of commercial grade market umbrellas & patio heaters. Dayva's reputation for high quality products at reasonable prices combined with outstanding service remains unchallenged. "Promoting Integrity and Creating a World Where Everyone Wins" continues to be the thread that weaves its ongoing success. All Dayva umbrellas sold by BuyChoice.com are made with superior grade "Sunbrella" fabric which comes with a 3 year warranty.