Cybex Solution M-fix SL for 15-36kg
Used child's car seat for back seat of car. Never in accident and in good condition. Cover in good condition, with only minor scuffing to plastic parts from use.

Text from https://www.amazon.co.uk/Silver-Solution-Childs-Without-Approx/dp/B073HDCTYY
Excellent safety child car seat offering long-term use - for children aged approximately 3 to approximately 12 years (15-36 kg) with ISOFIX (use in cars with or without ISOFIX)
Maximum safety: Built-in side impact protection (L.S.P. System), energy-absorbing shell, ISOFIX Connect
12-position height adjustable headrest, comfortable headrest, adjustable backrest, optimised ventilation system for hot days
Easy installation in the car with seat belt or ISOFIX connection for extra stability, removable cover - machine washable (30°C)
Contents: 1 x Solution M-Fix SL car seat with ISOFIX Connect System, Incl. ISOFIX installation aids, Cover material: 100 % polyester, dimensions (L x W x H): 37 x 54 x 60 cm, weight: 5.86 kg, colour: Pure Black

Child's car seat (Cybex Solution M-fix SL for 15-36kg) (Lichfield WS13)