Package includes: you will receive 50 pieces black syringe tip caps, size: high: 1.0 cm, thread diameter: 0.72 cm, the inner size of connector is 0.5 cm Safety material: the syringe tip caps are made of quality PP material in black and which can be reusable, strong and durable, not easy to damage Easy to use: these syringe tip caps are very easy to use, suitable for hand holding, easy to grip and remove, good sealing, and not easy to drop Reliably sealing: the tip cap is suitable for various specifications syringes and is locking in to the tip of syringe, good sealing, liquid will not leak out, suitable for 1ml, 2ml, 3ml, 5ml, 10ml, 20ml, 30ml, 50ml, 60ml, 100ml, 200ml syringes Extensive use: syringes caps are good in seal and fit snugly, don not leak any of the liquids, luer lock dispensing needle tip cap also can be applied for craft and industrial work Easy syringe tip cap dispensing needle tip cap black syringe cap with storage box Features: Suitable for almost all standard syringes, fit properly to the tip of the syringe, good sealing, will not leak the liquid in the syringe. Wide usage: These caps to close syringes and keep liquid or glue not spilling. Syringe tip caps are locking in to the tip of syringe. They also can be always using for craft and industrial work. Specifications: Quantity: 50 pieces Material: PP material Color: blue Package contents: 50 x Lock tip caps for syringe