dining chair booster seat for baby/toddler (Hammerfield HP1)

Good,clean condition. Straps slightly stained , despite my scrubbing! Has optional white tray. Yellow base can be adjusted to 3 different heights. Has straps hold booster seat to dining chair plus straps to hold child in the seat. Suitable for sitting baby, from about 8 months, to toddler, 2 years.