Every question, answered.

That's home turf. Loose grains flow sideways under anything narrow — the reason every screwed-in can leans — but the wide flexible footprint spreads across the sand instead of pressing into it, and the fins keep the drink from working loose as the ground shifts. Push it off level and it settles back.

Yes. Rippling nylon over soft sand is the same soft-surface problem, and it's what the base is shaped for: it flexes with the fabric when a knee lands or a corner lifts, and brings the drink back level. It resists tipping through the normal traffic of a beach day — a direct hit from a sprinting kid is still a direct hit.

It closes the two worst routes in: the rim sitting half-buried at ankle height, and the sweating container rolling through the grit. Upright, at full height, off the ground is most of the battle. On a genuinely windy afternoon, a straw lid is the honest second layer.

Yes — the 40 oz Stanley fits, straw lid, handle and all, because its handle rides high, clear of the bottom inch the fins grip. The rule for everything else: a base 2 to 3 inches across settles in. The handled coffee mug is the honest no — that handle sits low, right where a fin has to be.

Nothing that outlasts a rinse. It's one piece of flexible molded material — no moving parts to jam, no spike to bend, no mesh to fray. Shake it out like a towel, rinse it at the beach shower, or run it through the dishwasher at home.

Completely — salt spray, melted cooler ice, the beach shower, all fine. One honest note: it does not float. Set it down in the shorebreak and it goes to the bottom, so it stays up at the blanket with the towels.

No. Nothing twists into the sand and nothing clamps to the chair, so there's no condition about soft ground and nothing to bend. It sits on top of whatever's there — which is also why it works on the cooler lid, the deck, and the picnic table, where spike-style holders can't go.

With a drink in it, the whole unit is low, wide, and pressed into the surface by the weight it's holding — the opposite of the half-empty bottle the 2 p.m. breeze cartwheels off the blanket. An empty base in a real blow is like anything else light on a beach: tuck it in the bag with the towels.

No — soft, shifting ground is its specialty, and hard flat surfaces work at least as well. The same base rides the picnic blanket at the park, the pool deck, the ground beside the camp chair, and the arm of the couch in the off-season.

It's called the Steadi, and Steadi Labs molds it in small runs in Orange, California — veteran-founded, patent pending. It ships free from steadilabs.com, and there are 30 days to change your mind.

One per drink in play is the simple rule — most families run one per adult chair and one for the cooler-side kid drinks, since a shared one means somebody's can is always parked in the sand while they wait their turn. It comes in enough colors to keep track of whose is whose across a crowded blanket.

No — a pouch has no rigid bottom for the fins to grip, so there's nothing for the base to hold onto. It's built for containers with a firm cylindrical base, which rules out pouches and boxes the same way it rules out anything without a real bottom edge.

The same physics that handles a sprinting kid on the blanket applies to a dog: the wide base resists tipping from a glancing bump or a paw catching the edge, and if it does get knocked off level, it settles back upright once the surface stops moving. A square, direct hit from a running dog's full weight is still a direct hit — nothing sitting loose on sand is immune to that.

A little, the same way it would for any object left in direct sun — darker colors run warmer than lighter ones because they absorb more of the light hitting them. It's a small surface, so the difference is minor, and it cools quickly once it's back in shade or holding a cold, sweating drink.

It doesn't get trapped the way it would in a mesh or fabric holder, because there's no weave for grains to lodge in — it's one piece of molded material. Whatever sand rides along in the pocket after a beach day rinses out at the beach shower or under a hose; nothing to pick out by hand.

A spike anchors a drink to one spot in the sand and needs ground soft enough to twist it into — hard-packed sand near the waterline can bend the shaft instead of accepting it. This doesn't stake into anything, so there's no condition on how soft the ground has to be, and it moves with you instead of staying planted where you left it.

A coaster is a flat disc that stops a container from sinking into the sand but doesn't grip it — a bumped drink still goes over, just from slightly higher up. This one holds the container by its bottom inch with flexible fins, so it's doing the gripping the coaster leaves out, on top of spreading the load the same way a coaster does.

It's molded from a single piece of flexible material with no spike to bend, no clip to fatigue, and no mesh to fray — the parts that fail on other beach gear simply aren't present here. Rinse the sand out after each trip and it goes back in the bag ready for the next one.