Tangkula 50LBS Patio Umbrella Base, 27.5 inches Round Umbrella Stand with Wheels Golf Stand Bag & Clubs Set the ergonomic stand-up desk allows

the ergonomic stand-up desk allows you to switch from sitting mode to standing mode for healthier working life

5" x 39' 5

For great mobility and convenient use

and you can pull the chain to choose a comfort level to have a rest

3" to work comfortably all day

Tangkula 50LBS Patio Umbrella Base, 27.5 inches Round Umbrella Stand with Wheels Golf Stand Bag & Clubs Set the ergonomic stand-up desk allowsDescription Our functional umbrella base adds much fun to your outdoor experience. Powder coated framework reinforces the strength and durability of this umbrella stand, which is more stable and easy to resist the wind. Our high quality umbrella base can be conveniently carried with flexible wheels. Two hand tightening knobs allow you to tightly set the position of the umbrella pole for stability. The umbrella base is perfectly compatible with 1.