? Premium Silicone Material ? Made of high-quality silicone, heat-resistant up to 600F (315C) for 20 minutes. Washable and reusable for long-term use. ? Variety of Sizes Colors ? Includes 8 sizes of tapered plugs and 8 sizes of silicone end caps (total 80PCS). Fits most pipes, tubes, hoses, and holes. Color-coded for quick identification. ? Durable Practical ? Non-toxic silicone resists acids, alkalis, and most chemicals. Perfect for blocking holes, masking bolt threads, and protecting surfaces. Prevents dust and chemical penetration. ? Handy Assortment Kit ? Always have the right size on hand! Comes organized in a clear box for easy storage and quick access. ? Wide Applications ? Ideal for powder coating, painting, anodizing, spraying, construction, automotive, electronics, mechanical workshops, and more. Specifications Material: Premium Silicone Color Options: White, Pink, Gray, Green, Blue, Yellow, Black, Red Package Quantity: 80PCS (assorted plugs end caps) Package Includes 40 Silicone End Caps (8 sizes, assorted colors) 40 Tapered Plugs (8 sizes, assorted colors) Comes in a clear organized storage box