# Purple Box Spring Foundation HTML: https://mattresswarehouse.com/products/purple-box-spring-foundation [Be the first to review!](/write-a-review/purple-box-spring-foundation) Slide 1 of 5 < \> ![Purple Box Spring Foundation](https://cdn.shopify.com/s/files/1/0657/8752/7425/files/25MED_FlatFoundation_Search-Feed-Images_1200x1200-Secondary-1.png?v=1762869343&width=600&height=600&crop=center) ![Purple Box Spring Foundation bedroom lifestyle image](https://cdn.shopify.com/s/files/1/0657/8752/7425/files/PUR_001a_HYBRID_FF_RP_NO_MATTRESS_ANGLE_3206_800x800_b6e9367d-53c7-43b6-8d7a-4941221ac2db.jpg?v=1765821708&width=600&height=600&crop=center) ![Purple Box Spring Foundation cover partially removed exposing the frame.](https://cdn.shopify.com/s/files/1/0657/8752/7425/files/25MED_FlatFoundation_Search-Feed-Images_1200x1200-Secondary-3.png?v=1765821708&width=600&height=600&crop=center) ![Purple Box Spring Foundation - illustrating the accordion design.](https://cdn.shopify.com/s/files/1/0657/8752/7425/files/ORIGINAL_BASE_LAUNCH_PAB_GIF_9_800x800_dc4b43c7-e306-4b1b-8e6a-34bb8e0b85c4.jpg?v=1762869319&width=600&height=600&crop=center) ![Purple Box Spring Foundation](https://cdn.shopify.com/s/files/1/0657/8752/7425/files/25MED_FlatFoundation_Search-Feed-Images_1200x1200-Secondary-1.png?v=1762869343&width=600&height=600&crop=center) ![Purple Box Spring Foundation bedroom lifestyle image](https://cdn.shopify.com/s/files/1/0657/8752/7425/files/PUR_001a_HYBRID_FF_RP_NO_MATTRESS_ANGLE_3206_800x800_b6e9367d-53c7-43b6-8d7a-4941221ac2db.jpg?v=1765821708&width=600&height=600&crop=center) ![Purple Box Spring Foundation cover partially removed exposing the frame.](https://cdn.shopify.com/s/files/1/0657/8752/7425/files/25MED_FlatFoundation_Search-Feed-Images_1200x1200-Secondary-3.png?v=1765821708&width=600&height=600&crop=center) ![Purple Box Spring Foundation - illustrating the accordion design.](https://cdn.shopify.com/s/files/1/0657/8752/7425/files/ORIGINAL_BASE_LAUNCH_PAB_GIF_9_800x800_dc4b43c7-e306-4b1b-8e6a-34bb8e0b85c4.jpg?v=1762869319&width=600&height=600&crop=center) ![Purple Box Spring Foundation](https://cdn.shopify.com/s/files/1/0657/8752/7425/files/25MED_FlatFoundation_Search-Feed-Images_1200x1200-Secondary-1.png?v=1762869343&width=600&height=600&crop=center) ![Purple Box Spring Foundation bedroom lifestyle image](https://cdn.shopify.com/s/files/1/0657/8752/7425/files/PUR_001a_HYBRID_FF_RP_NO_MATTRESS_ANGLE_3206_800x800_b6e9367d-53c7-43b6-8d7a-4941221ac2db.jpg?v=1765821708&width=600&height=600&crop=center) ![Purple Box Spring Foundation cover partially removed exposing the frame.](https://cdn.shopify.com/s/files/1/0657/8752/7425/files/25MED_FlatFoundation_Search-Feed-Images_1200x1200-Secondary-3.png?v=1765821708&width=600&height=600&crop=center) ![Purple Box Spring Foundation - illustrating the accordion design.](https://cdn.shopify.com/s/files/1/0657/8752/7425/files/ORIGINAL_BASE_LAUNCH_PAB_GIF_9_800x800_dc4b43c7-e306-4b1b-8e6a-34bb8e0b85c4.jpg?v=1762869319&width=600&height=600&crop=center) [Be the first to review!](/write-a-review/purple-box-spring-foundation) Purple Box Spring Foundation **$399** Size:**60”****W****x****80”****L****x****5”****H** ## Size TwinTwin XLFullQueenKingCalifornia King ## Foundation Profile StandardLow Add to Cart Delivery Enter Zip Code Pick-up in Store Select Store Try Before You Buy See Nearby Stores ## 120 Day, 100% Comfort Guarantee ## Lifetime Price Guarantee ## Overview Meet the box spring that has been reinvented. No noisy coils or added bulk — just sturdy mattress support for bed frames that lack slats. The Purple Box Spring Foundation is made for panel bed frames that lack proper support.  Features: - Easy-to-assemble, accordion design - 2 height options - Compatible with any Purple mattress  ## About Purple ## Delivery & Shipping ## Warranty ## Customer Ratings & Reviews [Write a Review](/write-a-review/purple-box-spring-foundation)