http://tinyurl.com/n2ysm46
4 Pcs Table Cloth Cover Holder Spring Loaded Tablecloth Clamp Clips White
Product Name : Tablecloth Clamp;Material : Plastic, Metal
Total Size(Each One) : 5.6 x 6 x 1.7cm/2.2" x 2.4" x 0.7"(L*W*H);Max. Table Thickness : 45mm/1.8"
Color : White
Net Weight : 49g
Package Content : 4 x Table Cloth Clamps