【Duable Materials】: The main parts of the keyring are made of acrylic materials, sturdy and durable; you can clearly see the inside view after putting in the photo due to the clear colors on both sides 【Blank Plastic Keyrings Size 】: Outer dimension is approx. 4 x 5.5 cm, inner dimension is 3.2 x 4.6 cm, suitable for photo length below 3.2 cm and width less than 4.6 cm 【Wide Application】: Apply for businesses promoting, school photo's taking and giving out as gifts, also could use it to put down phone number avoid the loss of keys 【Package Quantity】: 30 pieces of photo insert keyrings, 25 mm split ring is already attached with each keyring, all keyrings are individually sealed to avoid scratches,it also can be used as party gifts 【Personalised Keyring Photo】 : Inserts photos of cute girls, boys, teens, kids and parents. Create a personalized keychain as a souvenir. At the same time, you can also give away a couple or loved ones that you want to pay attention to at any time