<div class="row">
    <div class="col-md-12"><div class="form-group">
            <input type="number" name="qty[]" class="form-control form-detail" value="{{ $qty }}" >
        </div></div>
    <input type="hidden" value="-1" name="item_id[]">
    <input type="hidden" value="other" name="type[]">
</div>