These round 38" lanyards feature a convenient swivel hook attachment that allows you to affix pre-punched identification cards with ease, making these lanyards a great choice for conventions, sporting events, or for use within the office. Note: This product is not recommended for use by children under 12 or in environments in which a choking hazard may exist. Please see listing B00KW8I2NC for an alternative product that includes a breakaway safety clasp.