The LDPE Spout Cap for 250–500 ml bottles is a practical and reliable closure designed for precise dispensing from LDPE bottles, ideal for laboratory work and suppository preparation via the injection molding method. Crafted from high-quality, flexible low-density polyethylene (LDPE), these spout caps ensure a secure, leak-proof seal, complementing the durability and flexibility of LDPE bottles when paired with syringe dosing attachments. Featuring a narrow opening in two sizes, they allow controlled pouring or dosing, minimizing waste. Supplied in a pack of 20 without bottle closures, these spout caps support a practical, sturdy, and efficient workflow in pharmaceutical, laboratory, and healthcare settings.