WATER/SAND FILLABLE DESIGN: Weighs 28kg when filled with water or 40kg when filled with sand. Mix with both for extra weight. Easy to carry when empty, weighs parasol umbrellas down when fully.38MM & 48MM POLE HOLDER: Suitable for most of our Outsunny market parasol umbrellas.PLASTIC BODY: Thick HDPE is durable, holds the water and sand in, won't leak. Wipes clean - suitable for when it gets dirty outdoors.DIMENSIONS: 36H x ��60cm. Pole: 24Hx ��5.6cm. Suitable parasol pole size: ��38mm and 48mm.ASSEMBLY REQUIRED.