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💦 Keep the fun flowing—no cast left behind!
The BLOCCS 100% Waterproof Arm Cast Cover (Child Small) is a durable, reusable protective sleeve made from sustainable natural rubber. Designed for children aged 3-6, it provides a watertight seal around arm casts and dressings, allowing kids to swim, shower, and play worry-free. With a comfortable pull-on fit and detailed sizing guidance, it ensures both protection and comfort, helping children stay active and included during recovery.

| Age Range Description | Kid |
| Asin | B007UONM5E |
| Best Sellers Rank | #18,633 in Health & Household (See Top 100 in Health & Household) #18 in Bath & Shower Cast & Wound Covers #1,670 in Sales & Deals |
| Brand Name | BLOCCS |
| Closure Type | Pull On |
| Color | Blue |
| Customer Reviews | 4.4 4.4 out of 5 stars (3,060) 4.4 out of 5 stars |
| Global Trade Identification Number | 05060295740055 |
| Included Components | Bloccs Waterproof Cast Cover |
| Item Dimensions | 16.93 x 5.31 x 0.2 inches |
| Item Highlight | Made for swimming and bathing. Ultra-safe for showering. Helps children keep casts dry, feel included and enjoy normal life. |
| Item Thickness | 0.5 millimeters |
| Manufacturer | Precision Dippings Manufacturing Ltd. |
| Material | Rubber |
| Model Name | CA79-S |
| Model Number | CA79-S |
| Number Of Items | 1 |
| Part Number | P6379/S |
| Product Care Instructions | Hand Wash Only |
| Size | Small |
| Special Features | Reusable, Shower & bath, Soft flexible, Swimming, Waterproof |
| Specific Uses For Product | Fracture |
| Sport Type | Swimming |
| Target Use Body Part | Arm |
| Unit Count | 1 Count |
User
IT WORKS!
Best cast protector by far! My 3 year old swam in a lake, jumped off a boat, and dug in the sand without anything touching the cast! The sleeve wasn’t too tight where it restricted blood flow, but was tight enough to keep it sealed. Thrilled with this product! It’s absolutely phenomenal and worth every dollar! It saved our lake weekend!
User
cast cover
HIGHLY recommend. my son is 4 years old, about 45 pounds, I originally bought small and it felt too tight for my liking so I returned and ordered the medium. The medium works well for what we need it for - splash pads, baths, sprinklers. i’m sure this would keep his cast dry in a pool too but because I chose to go with the medium for his comfort, I don’t know if it’s tight enough around his arm to be fully submerged for long amounts of time.We did go to a water park last weekend - it was a water park specifically meant for young kids so it didn’t have pools but it had a “water playground” so small water slides, splash pads, etc and it stayed dry and was comfortable for him to wear the 4 hours we were there. he has weekly splash days at school with sprinklers and splash pads and never had a issue with it leaking or getting his cast wet.I was hesitate to buy because of the price and because there are other cast cover options that are much cheaper but honestly this one is worth it. I thought two other brands of cheap $10 ones and given the choice my son will always choose to wear this one.
User
The best cast cover for swimming and diving there is !!!
Yes!! Now this is a good quality cast cover.It’s made very well , it’s one piece like an oversized ballon ! Used it a lot since getting it , it’s easy to put on and take off , stretchy abd durable . The orthopedic tech suggested we get a size smaller than her measurements but it’s a bit too tight on the arm !But boy it works great ! Super water protection , make sure you take out the air and create a vaccum seal on the arm before fully submerging in the water ! It’s tick and a very good durable material ! Highly recommend!!!!!!
User
Bone Dry Cast!!
Wow, this saved our vacation! My 6-yr old son broke his arm 2 days before leaving for our Mexico spring break. I quickly ordered this for overnight delivery and it worked SO WELL! He did a lot of swimming in the pool, plus snorkeling in the ocean and it kept the cast bone dry. It was a little annoying to get on because it’s so tight and his cast went over his elbow but worth it for my little guy to be able to swim! Highly recommend! He used a size Small and his cast went up past his elbow.
User
Reliable, Saved Our Trip, Kept Cast TOTALLY Dry
This cast cover saved our two week trip to Costa Rica. Our daughter broke her arm 10 days prior and was able to go to the beach, boogie board, swim in pools, swim in hot springs and so much more! I bought an extra one in case the one ripped but it did NOT and we used it almost every day of our trip! I am so impressed and thankful. The cast technician said we took SUCH GOOD CARE of the cast when we went in to get it off. YAY for this product!
User
Works best with a short cast
This is best if you have a short cast. It’s a little difficult to put on as well but I can see how it’s waterproof because it has a good seal.
User
Thin rubber but works as intended!
The wrong item was shipped to us initially but once we received the cast cover, it worked SO well. No water got in at all. The material is a little thin and balloon like and I wish there was a way to make it comfortable AND thicker but either way it works great so far. I have a friend who got this for her son and it got a hole in it which is why I wish it could be a little thicker for how expensive it was
User
It worked!
My 4-year-old had a double fracture in her left wrist a week before our vacation. We were skeptical about this product but it was the only one found that said it could submerge. Guess what?! It worked! It lasted the entire week and the only humidity in her arm was due to sweating. She even swam, jumped, and played. We are super satisfied with this purchase.
User
Saved our holiday.
Fantastic product. My son was in the pool all holiday and at the waterpark and it did the job perfectly and kept his cast dry. Saved our holiday! Would highly recommend.
User
Super water dichte zwemzak
Echt een super zak onze dochter heeft nu 2 weken lang elke dag ermee volop gezwommen in de zee en zwembad en is geen druppel water in gekomen! Ik raad dit iedereen aan..
User
Amazing!
Needed muscles to get it on, but it actually worked
User
It really works!!!!
What an absolute life saver for our 5 year old who broke both bones in his lower arm on the very first day of summer vacation. He has a wire in his arm so still not in a hard cast yet and over the elbow cast and it fits over that well. It’s been the best purchase I may have ever made on Amazon and works amazing, always dry even for an active 5 year old. I’d give it 10 stars out of 5 if I could. What a blessing for any mom with a kiddo who broke their arm. It saved our summer.
User
Indispensable
Ce protège platre a sauvé notre début d'été pour mon fils de 5 ans. Nous n'avons pas tenté la plage (je reste un peu sur mes gardes avec le sable) mais je valide complètement pour la piscine.Mon fils peut nager, aller sous l'eau sans problème ! Je recommande
Trustpilot
1 month ago
1 month ago