Top-Quality Heavy-Duty Split-Leather Welding Glove. Double-Palm and Thumb offers increased protection and padding. Twaron Heat-Resistant Thread for Increased Life-Span. 100% Cotton Liner on the Palm and Fingers. Does not melt when in contact with a flame, unlike Synthetic Fibres. Durable Split-Leather Cuff. Examine gloves for damages, splits and holes before each use. Always replace damaged gloves. Only properly fitting gloves guarantee protection and grip. Store at normal room temperature in a dry, well ventilated area. Avoid direct heat radiation, do not wash.