Forget the traditional strapless dresses and move on to extravagantly detailed quinceanera dresses with long sleeves. A Conservative Quinceanera Dress with Long Sleeves For the shy chicas who prefer to be a little more conservative, long sleeve quinceanera dress are ideal for you! For all the ladies who love being more discreet yet stylish, these long sleeved quince dresses are perfect for your celebration! Long sleeves quinceanera dresses gorgeous hand made dresses. Selling gorgeous sweet 15 birthday party dresses affordable price. 100% real photos.