Weighted plastic with felt on the bottoms. Several available.
Vintage Drueke Weighted Simulated Wood Chess Set Plastic Vintage 3 3/4” King
Drueke's Chessmen Weighted Plastic Complete Set #23 American Made Black & White
VTG Chess Pieces Only Brown Felt Bottoms 3.25” Kings, 32 Pieces Weighted PLASTIC
Black and White Zagreb Weighted Plastic Chess Set
Chess Pieces Wooden Chess Black Natural KH 63mm Weighted Plastic Jumpers
Heavily Weighted Plastic Chess Set - Tournament Size
