These U-shaped plastic spacers are made of high-quality plastic material, providing reliable and stable performance. Durable and strong, they are resistant to breaking, fading, or wearing. The package includes four-color plastic spacers in sufficient quantity for convenient use, replacement, and daily needs. Thickness: Red 1/8 inch, Blue 1/16 inch, Black 1/4 inch, Yellow 3/16 inch. The tile spacers feature a horseshoe-shaped and U-shaped design with a stable structure, suitable for spacing tiles, windows, installations, and curtain walls. Simple to use: insert the prongs of the horseshoe spacer into the grout joint to align and space evenly, ideal for construction applications. Color: Red + Yellow + Blue + Black Material: Plastic Package Contents: 220 x Horseshoe Shim Tile Spacers Note: Light reflection and different displays may cause slight variations in color compared to the actual item. Measurement error allowance is +/- 1-3 cm.