Helps walkers glide smoothly in any direction over doorways, sidewalks and carpets.

• Use in place of standard rubber walker tips, tennis balls or walker wheels.
  
• Unique O-ring helps coasters stay snug to walker legs in all temperatures.
  
• Made of smooth, durable plastic that is a bright tennis-ball-yellow color, making them easy to see.
  
• Features a protective shield that prevents coasters from getting caught in doorways and thresholds or from getting stepped on.
  
• Fits 1" (2.5cm) diameter walker legs and requires no tools for easy installation.