Small and handily packaged. Great for quick or emergency expressing. Probably not ideal for continual and frequent use but good for travel and one-offs.
Upgraded Manual Breast Milk Pump,Silicone Breast Pump Milk Saver Suction for Breastfeeding,with lid,100% Food Grade Silicone, BPA Free,100ml/3oz -4oz) https://www.amazon.co.uk/dp/B07KF3KSF5/ref=cm_sw_r_cp_apa_BHybCbWM9D1MK