Metal | | This Tablecloth Clips Are Made Of #201 Stainless Steel, Rust-Proof.The Clips Feature A Smooth And Edge With Good Elasticity, Firmly Fasten The Tablecloth To The Table. | | The Table Clamps Are Easy To Install And Remove, Simply Pinch And Slide It Into The Place Without Effort. Keeping The Table Cover In Place And Preventing Slippage. | | The Picnic Table Cloth Clips Are Suitable For Families, Parties, Picnics, Restaurants, Weddings, Buffets, Dinners, Etc. They Will Not Slip Off The Table Even In The Wind. | | The Table Cloth Holders Is Approx. 2.95 X 1.77 X 0.47 Inches. Fits Most Table Thicknesses Below 1.4 Inches. | | The Table Cover Clips Can Hold The Table Cloth Firmly And Is A Good Helper For Your Indoor And Outdoor Activities. | |