【High Quality Material】The guitar picks are made of Celluiod，a kind of plastic，which can make the guitar sound warm and full. Celluiod is very tough, which is not easy to break，so you can use it with confidence. And the Cellloid is very soft to touch and feel. | 【Exquisite Craftsmanship】The guitar picks have been polished twice，which gives the guitar picks a smooth look，and also gives the guitar picks a better touch and texture. And the smooth edge of the guitar picks makes the guitar playing smoother. | 【Multiple Thicknesses】There are three thicknesses of guitar picks: thin (0.46 mm), medium (0.71 mm) , heavy (0.96 mm), extra Heavy (1.2mm). The thin guitar picks sound crisp and bright, which can be used for guitar sweeping. The medium guitar picks sound warm and grainy, which can be used for guitar solo. And the heavy guitar picks sound heavy and full，which can be used for guitar solo or bass playing. You can use them as you need. | 【Practical Guitar Pick Box】 The box is made of metal, which is very durable and sturdy. It can be used for storing guitar picks to avoid guitar pick loss. And it is very convenient to carry when you need to play guitar outdoors. | 【Exquisite gift】The guitar picks have many beautiful colors，and the guitar box looks so stylish，which can be sent as a gift to your friend on Christmas，Giving Day，and other holidays.