The Flexi-Felt® Clear model 6845 model stretches to fit many shapes ranging from 1-3/4 (44mm) to 2 (50mm). This model is mostly installed on tables and dining room chairs. Not just another cheap sticky felt! The Flexi-Felt® Clear is a new revolutionary patented chair leg cover that not only protects your floors, but also protects your furniture footing from knocks and scratches as well. Dark Felt.