Какая именно и на что это может влиять?
a slightly accelerated version of the popular overlay
good training balls 40+
3*** ITTF balls of the highest quality - the official ball of the World Veteran Table Tennis Championships 2020 in Bordeaux, France: 6 balls + comfortable rollerbox
sticky hybrid with European, with powerful rotation and excellent block
Soft and light overlay of the European tensor class, ideal for staging technique and amateur play
the best water glue, the most comfortable and not afraid of frost
very cheap but decent quality balls ABS 40+, by the piece
European type rubber for universal attacking play and basic technique setting
two-color training balls 40+ - half white, half orange - they are very good for learning to notice the rotation of the ball