(a) Your order is an offer to buy from us. Subject to the availability of Goods, there is no contract for the sale and purchase of the Goods until we confirm acceptance by e-mail confirmation referring to your order. (b) We reserve the right to reject or to cancel all or part of your order at our absolute discretion. (c) Where any Goods you order is unavailable we may at our absolute discretion offer you substitute Goods. If this happens you may: (i) Accept the substitutes we offer; or (ii) Cancel all or part of your order.