Specifications: Bulb Size: 7mm / 0.28 T-Slot Width : 5mm / 0.2 Total Length: 1 Meter / 3.28 Feet Material: Silicone Color: White Package Content: 1 x T-Slot Bulb Seal Descriptions: • Perfect for wood frame windows casement windows and numerous other window and door applications. • Prevent Water from entering your home by preventing it through the easiest entry points • Better insulation by keeping your house sealed during those extreme winter and summer months • Prevent window howling that can occur with a poor seal • silicone material provides a soft and durable material. • Easy t-solt mount installation - Just scissor cut to needed length and slide into receptacle.