iD Mobile Sim Only - 120GB 5G Data, Unlimited Mins & Texts, EU Roaming - GBP2.25pm for 3 Months, GBP9pm/9m + GBP12 TopCashback (GBP6.31pm Effective)

SIM only is just that, where you only pay for the minutes, texts, and data you use on your sim-card. You will have to supply your own device i.e phone/tablet to insert the sim-card into, hence why it's called 'sim only'