Husband and wife are allowed to enjoy themselves between themselves using any part of their own body. Using sex toys is not permissible between husband and wife because it involves something else not from their own body.
Wassalam..
Sayyed Mohammad al-Musawi is originally from Iraq and heads up the World Ahlul Bayt Islamic League in London. Other than being involved in various humanitarian projects, he frequently responds to religious questions. In the past, he has also spent significant time in India guiding the community.