Based on this product's specifications, here are some alternatives and similar models
Durable ZOLUX dog fetch ball with squeaker ETPU 8 cm
Summary description:
ZOLUX durable dog fetch ball, 8 cm diameter, made from ETPU material and equipped with an integrated squeaker. Designed for retrieving and interactive play, it offers resilience for chewing and frequent use while being easy to throw and carry. Suitable for training, outdoor fetch sessions and bonding activities between dog and owner.