Simple Deluxe 20" Round Heavy Duty Patio Base Stand with Steel Umbrella Holder, Water or Sand Fillable for Outdoor, Lawn, Garden, 50lbs Weight Capacity, Black : Amazon.com.au: Garden
17.5" Cast Iron Patio Umbrella Base by Trademark Innovations (Black) : Amazon.com.au: Garden
Guide to Buying the Perfect Patio Umbrella| Family Handyman