Hi Artur,

Thank you for contacting WPClever Support Forum. We’ve received your question. This is a minor CSS issue.

However, we need more information in order to help you with the custom codes. Please provide us with a link to your published product for checking? 

We need to check the frontend in order to provide the proper CSS code for your needs.

After receiving your information, I'll proceed to the next step. 

Best regards. 

Hi Artur,

Please add below CSS code to WP-Admin → Appearance → Customize → Additional CSS:

.woosb-quantity-input-plus, .woosb-quantity-input-minus {
    display: none !important;
}
.woosb-products .woosb-product .woosb-quantity {
    width: 130px;
    flex: 0 0 130px;
}

And the result https://app.screencast.com/Xv07ukuza9Qfv