The SEIRIN J-ProPak needles are made from the highest quality stainless steel and feature a lightweight, comfort grip, 0.16 x 30 mm plastic handle that is color-coded for easy gauge identification. The J-ProPak features an easy-open multi-pack, that allows for easy access to 10 needles at a time. These user-friendly acupuncture needles are gentle, painless, and stress-free. This blister pack also converts into a functional dispenser that can rest on a treatment tray or other surface, keeping the needles sterile and easily accessible during treatment. Each blister pack contains 10 plastic handle needles and one polypropylene guide tube. The guide tubes are made of environmentally friendly Polypropylene (100% PVC free).