youll receive: the package comes with 4 pieces fun PU golf practice balls, each of which measures approx. 4 cm/ 1.57 inch in diameter, sufficient quantity and suitable size to meet you different using needs, and the bright colors and chic face design can let your mood more cheerfulCharming smile face design: the stress-relieving giggle balls can help improve mood, relieve stress and entertain; They will remind you to always be happy and smile even if you encounter difficulties, because smile is the power to push you forward and have a good life attitudeStress relief: the smile face pressure balls can be a useful toy for people with severe anxiety or inattention problems, providing them with a fun way to unwind after a busy day at work or school; Also, when you feel too nervous, you can deflect your stress by pressing the ballReliable material: the smile pressure ball adopts quality PU material, soft and light in weight, odorless and safe to use; By constantly holding the ball and strengthening the fingers and wrists, all muscles and s will be relaxed, and your muscles stiffness and pain will be reducedWide range of uses: these stress balls have funny expressions and are suitable for students and adults to relieve stress, can be widely applied in carnival and various parties, can also be applied as party gifts, school carnival prizes, festival gifts, gift stuffing, competition awards and so on : Practical to use: These exqui stress balls are made of quality PU material, with a nice elasticity and can keep the shape well easily no matter how you bend them, which are reliable to use and good for throwing in sports activities, having fun with your partners. Decent present: The yellow smile ball is a practical and decent gift for your friends, family, relatives, neighbors and colleagues, which can help them to se their stress, relax their minds and bring them a pleasant moods. s: : yellow, red and black Material: PU Quantity: 4 pieces Size: approx. 4 cm/ 1.57 inch in diameter Package includes: 4 Pieces smile pressure balls Warm notes: Please allow slight size error due to manual measurement. The colors may exist slight difference due to different screen.