Customer Service

Product Registration
Please register your contact information here after purchasing our product. We will notify you in the unlikely event we need to issue a safety notification. Thank you for your corporation.

Shipping & Handling
Our shipping rates are simple: FREE for standard shipping and $10 for express shipping for up to 2 items within USA (excluding Hawaii, Alaska and US Territories). We will ship out “in stock” items in 1-3 business day. We will also ship to Canada by USPS.

Standard Shipping
(4-6 days)
Express Shipping
(order by 12:00PST, 1-3 days)
Hawaii, Alaska
and US Territories
$ 5

Standard Shipping only
Canada (USPS)

For shipping to Hawaii, Alaska and US territories, it might take an additional day for the shipping.
Our flat rate shipping will be applied only for the order of up to 2 items. If you choose to order more than 2 items, please contact us via email before placing your order. We will calculate your shipping charge by weight.

Payment Method
We are currently accepting credit cards (VISA, Master, American Express, Discover) only.

Exchanges & Returns
If for any reason your order does not meet your expectations, we will be happy to exchange the items or accept your return. Just contact us ( to obtain a Return Authorization ("RA") number. Please download Exchange/Return & Instruction form from our web site. We will accept exchange/return within 30 days of receipt date.

-For exchanges, after obtaining RA number, simply mail in the items with Exchange/Return & Instruction form filled out.  We will ship new items (free of shipping charge)  as soon as we receive your exchanging items. The items should be in undamaged and re-stockable condition with original Serene Sling package boxes.

-For returns, after obtaining RA number, mail in the items with Exchange/Return & Instruction form filled out.  We will credit your original purchase as soon as we receive the returned items in undamaged and re-stockable condition.

Exchange/Return Address:
T-Rex America, LLC
445 North Whisman Rd, Suite 300
Mountain View, CA 94043

Phone Orders
Although ordering directly from our web store is an easy and secure process, you are also welcome to order your Serene Sling by phone by calling our Customer Service toll-free at 866-935-5620.

International Orders
We currently do not ship to outside of the United States and Canada. For information on Serene Sling in other countries, please contact us (

Contact Information
You are always welcome to contact us via phone, mail, or by using the form on our Contact Us page. We’d love to hear from you!

Mailing address
T-Rex America, LLC
445 North Whisman Road, Suite 300
Mountain View, CA 94043