Oxballs JACKER, a Stackable Penis Ring 5 Pack in a Storage Tube
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Five Rings, One Tube – A full set of matching rings in a resealable storage tube, so there's always a clean one ready and a spare when one eventually wears out.
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7X Stretch flexTPR – Oxballs' toughest thermoplastic rubber stretches to roughly seven times its resting size and snaps back, outlasting the soft jelly rings that loosen and tear within months.
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Layer for a Tighter Fit – One ring gives a firm everyday squeeze; wearing a second directly against it increases the grip. Five rings turn a single size into a range of tightness levels.
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The Size That Gets Used – A 1-inch opening with heavy stretch, the dimensions Oxballs settled on after years of single-ring sales showing what actually fits most men.
📝 Product Description
The JACKER 5-Stack is a 2026 Hünkyjunk release built on a simple observation: most multi-ring sets sell five different sizes because the buyer doesn't know theirs yet, then four rings sit unused in a drawer. JACKER inverts that. All five rings are the same proven size, so every ring in the tube is one you'll actually wear.
That structure suits two buyers. The first already owns a ring in this size range and wants depth: a fresh one in rotation while another dries, one for the gym bag, spares against loss or wear. The second wants adjustability without guessing between sizes, since doubling rings up changes the effective grip in a way a single fixed band never can. If you'd rather have one textured ring engineered to stay planted than a stack of smooth ones, that's the ROTO grooved cockring instead.
🎯 Ways to Use a Five-Ring Set
Single ring: the everyday wear. One JACKER at the base of the shaft, or behind shaft and sack both, delivers a firm hold that suits quick sessions and longer play alike.
Doubled up: seat a second ring flush against the first for a noticeably tighter squeeze. Start with one and add the second only after you know how the single feels, and remove immediately if the doubled grip ever tips from firm into uncomfortable.
Gradual ball stretching: worn on the sack, the rings layer into a slow, progressive stretch. Begin with one, live with it for a few weeks, then add the next. The point of owning five is that the progression is already in the tube; nothing extra to buy as you advance.
💡 Cleaning and the Tube
Wash after each use in warm soapy water and let the rings air dry fully before they go back in the tube; sealing them damp shortens the material's life. The tube keeps the set together and away from other soft toys, which matters because TPR stored pressed against different rubber or jelly materials can degrade both. Water-based and hybrid lubes are the safe pairings for flexTPR, and oils should be avoided entirely.
⚠️ Safe Wear
Rings come off after 20-30 minutes of continuous wear, sooner at any hint of numbness, coldness, swelling, or color change, and doubled rings deserve extra attention since the combined pressure is higher. Never fall asleep wearing one. Check each ring for nicks or thin spots before use; with five in the tube, a suspect ring goes in the trash, not back on the body.
❓ Frequently Asked Questions
Are all five rings the same size and color?
Same size, yes: every ring in the tube shares the 1-inch opening and identical dimensions. Tube color options are listed in the specifications.
How is this different from a multi-size cock ring set?
Multi-size sets are sizing kits: you find the one that fits and retire the rest. JACKER assumes the fit and gives you five of it, with tightness adjusted by layering rather than by swapping diameters.
Is flexTPR better than a jelly cock ring?
Meaningfully. Jelly rings are typically soft PVC that stretches out, gets tacky, and can tear at the thin point within months of regular use. flexTPR is a denser thermoplastic rubber that holds its snap-back through repeated hard stretching, which is why one tube of these outlives a string of jelly replacements.
Can I wear two at once?
Yes, that's a designed use and the reason the set exists in one size. Two rings seated together grip tighter than one. Work up to it, and treat the doubled configuration as a shorter-wear setup.
Is this the same material as other Hünkyjunk rings?
No. Several Hünkyjunk rings use Plus+SILICONE, a silicone-TPR blend with a velvet surface. JACKER uses straight flexTPR, which trades that silicone feel for maximum stretch and durability. Both are phthalate-free and unscented.
📐 Specifications
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Brand: Hünkyjunk by Oxballs
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Product Name: JACKER 5-Stack Cockrings
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Contents: 5 identical rings + resealable storage tube
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Material: flexTPR (7X stretch thermoplastic rubber), phthalate-free, unscented
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Tube Options: Black (UPC 840215128935, SKU HUJ-151-BLK), Clear/Black (UPC 840215128942, SKU HUJ-151-CL/BK), Blue/Black (UPC 840215128959, SKU HUJ-151-BL/BK), Red/Black (UPC 840215128966, SKU HUJ-151-RD/BK)
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Inner Diameter (per ring): approx. 1 in / 26 mm (unstretched)
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Inner Circumference: approx. 3 in / 77 mm
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Outer Circumference: approx. 5 in / 127 mm
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Ring Height: 0.8 in / 21 mm
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Packaged Weight: 3 oz / 85 g (tube with all 5 rings)
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Package Dimensions: 4.5 x 2.25 x 2.25 in tube
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Power: None (non-vibrating, no batteries)
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Designed In: Los Angeles, California (made in China)
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Note: Measurements are manufacturer-supplied; slight variation can occur in molded stretch materials.
