There are 2 sorts of substitute brush heads, the massive brush head is appropriate for children elderly 4-8, and the small brush head is acceptable for infants below 4 years old! [High-quality material] The toothbrush is fabricated from tender and lovely materials to protect kid's gums [BPA Free] No BPA is used in the production process. Xige cares for your children's growth. For perfect results, update brush heads every three months. Colour:As Shown Material:Plastic Package Contents: four * SG-025 toothbrush alternative head eight * SG-831 toothbrush substitute head Only the above equipment content, other merchandise aren't included. Note: Light mirrored image and varied exhibits can cause the colour of the item within the photo a bit of diversified from the real thing. The size allowed error is +/- 1-3cm.