6 th generation black reflective [comfortable and soft-choose according to weight]] 6 generation red reflective [comfortable and soft-anti-miseating]] 6 generation yellow reflective [comfortable and soft-please contact customer service]]

1# recommended weight 3.50 kg-8.50 kg (volume long spout) 2# recommended weight 8.50 kg-17.50 kg (volume long spout) 3# recommended weight 17.50 kg-27.50 kg (volume long spout) 4# recommended weight 25.00 kg-35.00 kg (volume long spout) 5# recommended weight 32.50 kg-50.00 kg (volume long spout) 6# recommended weight 45.00 kg-70.00 kg (volume long spout) 0# small dog [mouth shorter than 5cm can not be used]]