Plastic wide mouth liquid culture lid comes with 2 hoses attached to the lid, a female luer lock for syringes to attach to. Also comes with a hose clamp to keep air tight. The female luer lock attachment comes with a male fitting cap to keep contamination out of this product. Lids are heat resistant and can withstand pressure cooking or autoclave. Comes in orange, green, blue or black. Leave your choice in the comment section when checking out otherwise color will be chosen randomly.