SA Products 4-Piece Parasol Weights - Durable, Heavy-Duty Plastic Cantilever Parasol Base Weights - Fillable with Water or Sand - Detachable, Portable Design - For Use in the Patio, Garden, or Beach :
Redwood 1x Grey 16kg Round Granite Parasol Base - Large Heavy Duty Weighted Outdoor Garden Patio Table Sun Shade Umbrella Pole Holder Stand : Amazon.co.uk: Garden
Brislut Parasol Base Weights Bag - Up to 40kg, Heavy Duty Cantilever Bases Weight for Banana Overhanging Parasol Cross Stand Extra Sandbags Weighted Patio Outdoor Garden Umbrella Base : Amazon.co.uk: Garden
TANGZON 4.5 x 2.7M Patio Umbrella and Base Weight, Double-Sided Twin Size Garden Parasol with 12 Ribs & Crank Gandle, Outdoor Cantilever Sunshade Canopy and Stand Set for Yard Market Pool (Beige) :
14kg Parasol Base Umbrella Stand Patio Garden Heavy Duty Weighted Black Outdoor 5013478167446 | eBay
Outsunny 25kg Resin Patio Umbrella Base Parasol Stand Weight Deck Wheels | DIY at B&Q