I purchased two boxes here. I no longer need them, so I'd like to offer them to you. 【Size and Specifications】 The syringe is 12cm long and 1.2cm in diameter. 【How to Use】 Instructions for use are written on the outer box. Brand: Cata-MEDICA Product Name: Ninkatsu Syringe (Fertility Syringe) Length: 12cm Diameter: 1.2cm Quantity: 3 syringes Will be sent in simple packaging.