Silicone Sponge Rubber Red Strip / Square (Silicone sponge red box) - 100% Pure Silicone with SGS, FDA. - Silicone Tube / Strip can withstand temperatures from -60 ~ 280 Celsius. - Non-toxic. Odorless, high transparent. - Soft, Flexible, durable. - No cracking, long life, high and low temperature resistance. Size: 10mm X 10mm, 10mm X 15mm, 15mm X 15mm, 10mm X 20mm, 20mm X 20mm, 10mm X 30mm, 30mm X 30mm. Silicone oil