Features: Square plastic plug, tubing post end cap Work great for preventing scuffs on wood floor or as protection glides on chair tips, bench feet, table legs, bar stool foot iders, chair leg protectors, patio furniture inserts, and much more. Easy to install snap in plugs serve as a long-lasting solution for many household or outdoor projects including replacements for fence/fencing railing posts, gate rail post covers, trailer frame ends, pole pipe rod caps, metal bike rack fittings, wrought iron steel finishing plugs, or any sqaure opening. Material: PE plastic, strong and durable Package incl: 10pcs x Square plastic plug Specification: Size:27.5cm height, 10*10cm-top length*top width Color: black Size: Length(mm)*Width(mm) 30*30mm; 22*22mm; 25*25mm; 20*20mm; 80*80mm; 60*60mm; 100*100mm; 50*50mm; 38*38mm; 40*40mm includes: 10pcs x Square plastic plug