A comprehensive guide for using the pregnancy ball during different stages (preparing, early pregnancy, mid-pregnancy, late pregnancy, and postpartum) and a 100-page color-printed memory book to record your baby's milestones from ages 1 to 5.

Trideer yoga balls use safe materials, pass CA Prop 65 10P certification (no lead, cadmium, or harmful phthalates). With a extra thickened ball wall, upgraded safety, and higher weight capacity, it's perfect for pregnant moms.

You can start using the pregnancy ball at any stage of pregnancy, but around 32 weeks you can get some gentle exercises to release discomfort and encourage proper baby positioning. Refer to our pregnancy guide for detailed recommendations.

It depends on your height: go for M if your height is between 4'5''-5'1'', L for height between 5'1''-5'9'', XL for height between 5'9''-6'3''. If you are between sizes, please size up.

Yes, they do. All birth balls come with foot pumps. If you buy it you’ll get 1 birth ball, 1 foot pump, 1 pregnancy book, 1 baby memory book, 1 measuring tape, 2 plugs, and 1 plug remover.