Virgin Experience Days Spa Day for Two

If your sister has enough stuff, an experience gives you something no object can: time together. Virgin Experience Days sells spa-day-for-two packages redeemable across UK venues such as Bannatyne clubs, typically with a short treatment each (around 25 minutes on the entry-level Bannatyne Classic day) plus use of pool, sauna and steam facilities. Spa-days-for-two start from an indicative ~£99, with the specific Bannatyne Classic package around £104 and tiers that add extra treatments, lunch or fizz costing more. It is our pick for a shared occasion - a big-sister thank-you or a joint treat - because you can book yourselves in together. The reason it sits fifth is reliability rather than appeal: experience-voucher feedback is more mixed than for physical products, with common gripes about limited weekend availability, booking friction and expiry windows, so it rewards a sister who will actually plan and redeem it. Read the validity period and venue list before buying, and check whether treatments and food are included at the price you pay.