[Suitable for Bottleneck Size 24-410]-- Designed primarily for 2 oz acrylic paint bottles. May also fit other bottles with 24-410 bottleneck sizes, including 1 oz, 4 oz, and 8 oz. Easily switch between different needle types by changing the cap without replacing the entire bottle, offering convenience and reducing waste. Simply twist to attach the needle to the bottle for quick and easy use, making it an essential tool for craft and art projects.[Two Perfect Needle Types]-- Includes round and flat needles, ideal for coloring applications. Each needle comes with a silicone cap to help prevent drying. Round needles are best for fine lines and detailing, while flat needles are suitable for covering larger areas. Choose the right needle type based on your project needs, whether for precise lines or detailed artwork.[High Quality Material]-- Caps and nozzles are made from high-quality PE plastic, offering flexibility, durability, and resistance to damage. Designed for repeated use, these components provide reliable performance over time.[Ideal for DIY Craft Enthusiasts]-- These caps and nozzles make paint application easier and help you create detailed patterns and designs. A great addition for crafters and artists looking for precision and control. Share the creativity by using these tools with friends or as part of group crafting activities. A thoughtful and practical gift for any DIY lover.Color: Green Material: Plastic Package Contents: 8 x Bottle cap covers 8 x Flat needles 8 x Round needles 8 x Needle caps 1 x Straight needle Only the above package content is included; other items are not part of this set.Note: Due to lighting and display differences, the actual color may vary slightly from the image. Measurement may vary by +/- 1-3 cm.